David Read 40 Pages Of A Book In 50 Minutes

1.03 Ratio and Proportion

1. Three T-shirts cost 15 dollars. How much do 6. When 2,000 pounds of paper are recycled or 5 T- shirts cost? reused, 17 trees are saved. How many trees are saved if 5,000 pounds of paper is recycled? How many trees are saved if 10,000 pounds of paper is recycled?

2. Jeannie takes inventory of her closet and discovers that she has 8 shirts for every 5 pair of jeans. If she has 40 shirts, how many pairs of jeans does she have? 7. In a school there are four boy scouts to every three girl scouts. If there are forty- two girl scouts, how many boy scouts are there?

3. If 4 grapefruits sell for 79 cents, how much will 6 grapefruits cost?

8. To make green paint, a painter mixes yellow paint and blue paint in the ratio of three to two. If he used twelve gallons of yellow paint, how much blue paint did he use?

4. Bobby has a bag full of marbles that he keeps in his room. He has 35 red marbles and 25 green marbles. Find the ratio of red marbles to green marbles.

9. When a robin flies, it beats its wings an average of 23 times in ten seconds. How many times will it beat its wings in two 5. To make 20 biscuits, Juanita uses 5 cups of minutes? flour to 1 cup of milk. If she uses 3 cups of milk, how many cups of flour will she use? 1.03 Ratio and Proportion

10. The average human heart beats at 72 beats 14. A child can run 4 blocks in 2 minutes. How per minute. How many times does it beat in long does it take the child to run 12 blocks? 15 seconds? How many in an hour?

11. The church is going on a trip to Niagara Falls 15. A child can run at a rate of 2 1/2 blocks per via several buses. The ratio of men to women minutes. How long does it take the child to to children is 1:2:3. If there are 120 people run 7 blocks? going on the trip, how many men are going? How many women are going? How many children are going?

16. David read 40 pages of a book in 50 minutes. 12. A Toyota Prius drove 208 miles on 5 gallons How many pages should he be able to read in of gas. How far should it be able to go on a 80 minutes? full, 11 gallon tank?

13. Making 5 apple pies requires 2 pounds of 17. Jack and Jill went up the hill to pick apples apples. How many pounds of apples are and pears. Jack picked 10 apples 15 pears and needed to make 8 pies? Jill picked 20 apples and some pears. The ratio of apples to pears picked by both Jack and Jill were the same. Determine how many pears Jill picked.