Calculatin’ & Figur8n’Calculatin’ & Figur8n’

Samantha Vasquez 8th Grade Math

Proportions

A jet aircraft can fly 2,500 miles in 4 hours. How far can it fly in one hour?

A. 625 miles C. 6.25 miles

B. 62.5 miles D. 6,250 miles

A recipe uses 6 cups of cheese to serve 30 people. How much cheese is needed for 50 people?

A. 10 cups C. 22 cups

B. 18 cups D. 14 cups

Lucy can sew 2 blouses in 3 hours. If Lucy continues to sew at this rate, which proportion shows how many blouses Lucy can handle in 8 hours?

A. 2/B = 8/3 C. B/8 = 2/3

B. B/3 = 8/2 D. B/3 = 2/8

What percentage of 286 is 13?

A. 3.7% C. 4.5%

B. 12.0% D. 6.8%

Julie went to the store to buy a pair of pants. The pants are normally $39.95. This week they are on sale for 25% off the regular price. What is the sale price?

A. $29.96 C. $31.96

B. $30.98 D. $27.97

Joe’s new T3 connection can download 60 movies in 12 hours. How many movies can he download in 36 hours?

A. 70 moviesC. 100 movies

B. 180 moviesD. 86 movies

Last Christmas La Paloma made 42 dozen tamales in 24 hours. This year they’ve taken orders of 126 dozen. How many hours are required to keep up this year?

A. 96 hours C. 37 hours

B. 48 hours D. 72 hours

Rockford has a population of 234,870 people and its area is 7,829 square miles. Doleville has a population of 331,840 people and its area is 9,760 square miles. What can you conclude form each town’s population density?A. The population density in Rockford is 30 square miles per person.B. The population density in Doleville is 34 people per square mile.C. There are more people per square mile in Rockford than in Doleville.

D. More people live in Rockford.