Asked by Jessica
Jan and Nika ride their bikes. Jan rides 5 miles per hour for 1 hour then rides at ten miles per hour for 30 minutes.Nika rides at a constant 8 miles per hour. the tripss cover the ssme distance. Forr hoew many minutes does Nika ride ?
Answers
Answered by
Ms. Sue
5 mph for 1 hour = 5 mi
10 mph for 1/2 hour = 5 mi
8/1 = 10/x
8x = 10
x = 10/8 = 1 1/4 hours
10 mph for 1/2 hour = 5 mi
8/1 = 10/x
8x = 10
x = 10/8 = 1 1/4 hours
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