Name _____________________________   Date ___________

MAT0012C  CHAPTER 8 QUIZ

Show work on the scrap paper and write the solutions on the blank provided.

1. Write each ratio as a fraction in the lowest terms.

a.  The ratio of 15 to 45.  _________

b.  The ratio of 7inches to 47 inches.  _________

c.  The ratio of 8 feet to 4 yards.  _________

d.  The ratio of 140 to 160.  _________

2.  Find the Unit Rate.

a.  64 feet in 5 minutes.  _________

b.  18 beats every 12 seconds. ________

c.  3000 students over a 16-year period. _________

d.  250 gifts for  10 children.  ________

3.  Find the Unit Cost.

a.  \$3.50 for 50 feet. _________

b.  150 barrels costs \$4, 950. ________

c.  Six men donated \$272. _______

d.  A dozen red roses for  \$50. __________

4.  Solve the following problems using proportions:

a.   A 30-pound bag of fertilizer costs &12.25, and an 80-pound bag of fertilizer costs \$30.25.

Which is a better buy? ____________________________

b. A car travels 150 miles on 6 gallons of gasoline. How far will it travel on 24 gallons of gasoline? ________

5. Determine whether each equation is a proportion.

6.  Solve each proportion.