Asked by kylee

Justin ran 15 miles at a constant rate in 2.5 hours. The next day, he ran at a rate that was 1 mph slower. What was Justin’s rate the second day?
A. 2.5 mph
B. 4 mph
C. 5 mph
D. 6.5 mph
Answered by kylee
It is a quiz.
Answered by oobleck
"slower" means you subtract, right?
so, since speed = distance/time,
15/2.5 - 1 = ____
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