Name _______________________ Monday, December 18, 2017 Unit 6 Review (Advanced)

Use the table to write each ratio in simplest form.

1. Trumpets to Tubas ______________________ Flutes

to Clarinets ______________________

Clarinets to Trombones ____________________

Find the missing value that makes the proportion true. Be sure to show how you determined the missing number.

3. !! =

!!" 4.

!! =

!"! 5.

!!" =

!"!

Find the unit rate for questions 6, 7 and 8.

6. $4.80 for 5 loaves 7. 437 miles in 19 gallons 8. $4 for 16 bottles

9. A recipe for muffins requires 5 eggs and makes 25 muffins. What is the ratio of eggs to muffins?

10. A machine in a bike factory produces 246 pedals in 6 hours. At this rate, how many pedals can be produced in 2 hours?

Instruments in the Band

Clarinets 24 Flutes 18 Trumpets 30 Tubas 6 Trombones 8

2. Write a ratio in three different forms to compare the number of stars to the number of hearts.

______________________

11. Every 3 days, Mrs. Ramirez spends 2.5 hours observing science classes and 4.5 hours observing math classes. At this rate, how many total hours will Mrs. Ramirez spend observing both math and science classes in 3 school weeks?

12. A package of 28 hair barrettes cost $6.16. At this rate, what is the cost of 1 barrette in dollars and cents?

13. There are 285 pencils in 19 boxes. If there is the same number of pencils in each box, how many pencils are in 13 boxes? Use a proportion to solve.

14. The ratio of boys to girls in the Coding Club is 4:3. Name three possible combinations of boys and girls in the Coding Club, if there are at least 30 members in the club.

Convert the following units using proportions.

15. 6 in = _______ cm 16. 17.5 qt = _______ pt 17. 6160 yds = _____ mi

18. One car is needed for every five boys going on a camping trip. Create a ratio table for boys and cars. Then plot the data on the coordinate grid.

Boys (x)

Cars (y)

(x , y)

Boys

Car

s

Predict how many cars

will be needed if 145

boys go camping.

___________