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  1. Kellie and her sister are training for a marathon. Kellie ran 10 mi in 75 min. Ashley ran 15 mi in 120 min. Which statements are true? Show your work.

If a statement is not true, explain why. Show your work.

AKellie’s minutes per mile pace was faster than Ashley’s minutes per mile pace.
BKellie ran 8 mph.
CAshley ran 12 mi in 90 min.
DAshley’s total time was 4 min slower than Kellie’s total time after they ran 9 mi.

Verified Answer :

Given the data above, Kellie's speed is 2/15 mi/min and Ashley's is 1/8 mi/min. The false statement among the choices is letter c which states that Ashley ran 12 mi. in 90 min. Based on Ashley's data, she ran only 0.125 mi per minute. This means that in 90 minutes, she ran only 11.25 miles. Therefore, the answer is letter c.

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