A student wrote four statements during math class. Which statement contains an error?

A. If Iesha traveled at an average speed of 38 miles per hour for 18 hours, she traveled 684 miles.

B. If Jason traveled at an average speed of 46 miles per hour for 16 hours, he traveled 736 miles.

C. If Charmaine traveled at an average speed of 54 miles per hour for 14 hours, she traveled 766 miles.

D. If Raphael traveled at an average speed of 68 miles per hour for 12 hours, he traveled 816 miles.

Question

Steve Gallagher

Mathematics

31 August, 18:16

A student wrote four statements during math class. Which statement contains an error?

A. If Iesha traveled at an average speed of 38 miles per hour for 18 hours, she traveled 684 miles.

B. If Jason traveled at an average speed of 46 miles per hour for 16 hours, he traveled 736 miles.

C. If Charmaine traveled at an average speed of 54 miles per hour for 14 hours, she traveled 766 miles.

D. If Raphael traveled at an average speed of 68 miles per hour for 12 hours, he traveled 816 miles.

+5

Answers (2)

Know the Answer?

Ronin Rodgers · Answer 1

C.

Step-by-step explanation:

speed * time = distance

In each case, multiply the speed by the time. The distance that is not the product is incorrect.

Answer: C. 54 * 14 = 756, not 766

Darion Yoder · Answer 2

C.

Step-by-step explanation:

A. 38 miles x 18 hours = 684 miles. (correct)

B. 46 miles x 16 hours = 736 miles. (correct)

C. 54 miles x 14 hours = 756 miles. (here's the error, statement C says it is 766 miles.)

D. 68 miles x 12 hours = 816 miles. (correct)