Mathematics

Chen

1 April, 14:37

A car travels 172 miles using 7 gallons of gas. At that rate, how far can the car traval using 42 gallons of gas?

A. 1,032

B. 1,548

C. 1,204

D. 1,376

Yesterday, a parking lot had 60 cars parked in it. Of the cars parked in the parking lot, 40% were silver, 14 were red, and the rest were blue. How many of the cars were blue?

A. 24

B. 38

C. 22

D. 6

Everyone in Andy's class has to do a science project. Out of the 20 students, 80% have completed their project. How many students still need to finish there projects?

A. 100

B. 36

C. 16

D. 4

Emily has 85 books on her bookshelf. Of those books, 20% are mysteries, 18 are adventure stories, and the rest are fantasies. What is the simplified ratio of fantasies to total books on her bookshelf

A. 35:50

B. 7:17

C. 5:8

D. 10:17