# problem solving 2

## problem solving 2

1. How many pounds of water must be evaporated from 50 lbs of a 3% salt solution so that the remaining solution will be a 5% salt?

2. A man is 3 times as old as his son. 4 years ago, he was 4 times as old as his son was at that time. How old is his son?

3. How many pounds of cream containing 12 % butterfat must be added to 1800 lbs of milk containing 2% butterfat to obtain milk having 3% butterfat?

4. The length of a rectangle is 13 inches greater than its width. If its perimeter is 8 feet, find the length.

5. A man rides up a ski lift at the rate of 5 miles an hour and skis back down the hill at the rate of 50 miles an hour. If the complete trip requires 22 minutes, how far is it from the bottom of the top of the hill?

6. 2 children are balanced on a seesaw. One of them weighing 40 lbs is 6 feet from the fulcrum. How far from the fulcrum on the other side must the other child sit if he weighs 60 lbs?

7. In 2 years, a boy will be ¾ as old as his sister. 2 years ago, he was 2/3 as old as she. How old is the boy now?

8. If the sum of 3 consecutive numbers is 42, what is the largest number?

9. A tank can be filled by 2 hoses in 17 and ½ minutes. If just one hose, it requires 42 minutes to fill the tank. How much time is required to fill the tank using the other hose alone?

10. 2 children weighing 65 and 45 lbs respectively are on opposite ends of an 11-foot board. Where the fulcrum must be placed if the board is to be in equilibrium.

11. A motorboat went 70 miles in 4 hours when traveling at full speed upstream on a river whose current flows at the rate of 6 miles per hour. How far can the boat travel in still water?

12. How long it will workers A and B, together, to finish a job which can be done by A alone in 5 days and B alone in 3 days?

13. Find the exact interest of P3000 at 4% for 219 days?

14. The altitude of a triangle is 4m longer than the base, if its area is 126 square meter, find the length of the altitude.

15. A wallet contains P290.00 in P1 and P5 denomination. If there are 62 coins in all, how many P5-coin are there?

16. In a race, the 1st prize will be $5 greater than the 2nd prize and the 2nd prize will be 4$ greater than the 3rd. The total prize money is 52$. What is the amount of the first prize?

17. The tens digit of a certain number is 4 more than the unit digit. Find the integer if it is 7 times as large as the sum of its digit.

18. Find the principal which will amount to $1000 by the end of 9 months if invested at 5%.

19. In his report for the day, the cashier of a snack bar turned a number of coins amounting to $6.25 consisting of nickels and dimes. If there were 3 times as many nickels as there were dimes, how many dimes were there?

20. A student has scores of 75, 78, 65 on 3 examinations. What score is needed on a 4th exam for the student to earn an average score of 80.

2. A man is 3 times as old as his son. 4 years ago, he was 4 times as old as his son was at that time. How old is his son?

3. How many pounds of cream containing 12 % butterfat must be added to 1800 lbs of milk containing 2% butterfat to obtain milk having 3% butterfat?

4. The length of a rectangle is 13 inches greater than its width. If its perimeter is 8 feet, find the length.

5. A man rides up a ski lift at the rate of 5 miles an hour and skis back down the hill at the rate of 50 miles an hour. If the complete trip requires 22 minutes, how far is it from the bottom of the top of the hill?

6. 2 children are balanced on a seesaw. One of them weighing 40 lbs is 6 feet from the fulcrum. How far from the fulcrum on the other side must the other child sit if he weighs 60 lbs?

7. In 2 years, a boy will be ¾ as old as his sister. 2 years ago, he was 2/3 as old as she. How old is the boy now?

8. If the sum of 3 consecutive numbers is 42, what is the largest number?

9. A tank can be filled by 2 hoses in 17 and ½ minutes. If just one hose, it requires 42 minutes to fill the tank. How much time is required to fill the tank using the other hose alone?

10. 2 children weighing 65 and 45 lbs respectively are on opposite ends of an 11-foot board. Where the fulcrum must be placed if the board is to be in equilibrium.

11. A motorboat went 70 miles in 4 hours when traveling at full speed upstream on a river whose current flows at the rate of 6 miles per hour. How far can the boat travel in still water?

12. How long it will workers A and B, together, to finish a job which can be done by A alone in 5 days and B alone in 3 days?

13. Find the exact interest of P3000 at 4% for 219 days?

14. The altitude of a triangle is 4m longer than the base, if its area is 126 square meter, find the length of the altitude.

15. A wallet contains P290.00 in P1 and P5 denomination. If there are 62 coins in all, how many P5-coin are there?

16. In a race, the 1st prize will be $5 greater than the 2nd prize and the 2nd prize will be 4$ greater than the 3rd. The total prize money is 52$. What is the amount of the first prize?

17. The tens digit of a certain number is 4 more than the unit digit. Find the integer if it is 7 times as large as the sum of its digit.

18. Find the principal which will amount to $1000 by the end of 9 months if invested at 5%.

19. In his report for the day, the cashier of a snack bar turned a number of coins amounting to $6.25 consisting of nickels and dimes. If there were 3 times as many nickels as there were dimes, how many dimes were there?

20. A student has scores of 75, 78, 65 on 3 examinations. What score is needed on a 4th exam for the student to earn an average score of 80.

**cbenna**- Posts : 22

Reputation : 1

Join date : 2009-11-14

Age : 23

Location : SVHS, Bontoc

## Re: problem solving 2

mng. ben, ngag kay nan price tuna nu maanseran mi? adi kadi joke lang... nalikhat ngem pachas mi, jekjekjek.... kumusta kay nan college life manong?

**alumani**- Posts : 7

Reputation : 0

Join date : 2010-02-02

## Re: problem solving 2

addition ka knowledge you sa nu maansweran you...hehehe...k lang met nan college...csa kay?

**cbenna**- Posts : 22

Reputation : 1

Join date : 2009-11-14

Age : 23

Location : SVHS, Bontoc

## Re: problem solving 2

khawis ya manong... chey karkarpas nan intrams sina... khinanas mi as usual nen champion kami ay team!

wen man pachas mi ay mangsolve sinan pa-quiz mu ay problem solving, hehehe... intu tegwa nan naka enrolam sat ngag nan course mu kay manong? chatako kayet masab-at sina manong ta maawis nan kakadwa ta baken anggay ka Facebook. khag-awis metlang sina tay SVS Ato chadlu...

wen man pachas mi ay mangsolve sinan pa-quiz mu ay problem solving, hehehe... intu tegwa nan naka enrolam sat ngag nan course mu kay manong? chatako kayet masab-at sina manong ta maawis nan kakadwa ta baken anggay ka Facebook. khag-awis metlang sina tay SVS Ato chadlu...

**alumani**- Posts : 7

Reputation : 0

Join date : 2010-02-02

## Re: problem solving 2

ah.usto man.apay C kayet.

hehehe.bsta

.apay napas et nandy gate?

hehehe.bsta

.apay napas et nandy gate?

**cbenna**- Posts : 22

Reputation : 1

Join date : 2009-11-14

Age : 23

Location : SVHS, Bontoc

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