Answers ELPGEQ1 MJ Math 6 - 1205010 HCPS v24 Solving Speed ProblemsQuestion 13

13

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Solving Speed Problems

Question 13 • ELPGEQ1 M/J Math 6 - 1205010 HCPS v24

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

Answer

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.

Explanation

Use distance = speed × time. Charmaine’s distance should be 54 × 14 = 756 miles, not 766 miles, so her statement contains the error. The other products are 38 × 18 = 684, 46 × 16 = 736, and 68 × 12 = 816.

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