Martha biked 18 2/3 miles in 2 hours and 40 minutes. What was her average rate of speed in miles per hour?
A)7
B)7 2/3
C)8 1/3
D)9
E)9 1/3
A)7
B)7 2/3
C)8 1/3
D)9
E)9 1/3
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Aside: 2 hours and 40 minutes = 2 2/3 hoursklaud wrote:Martha biked 18 2/3 miles in 2 hours and 40 minutes. What was her average rate of speed in miles per hour?
A)7
B)7 2/3
C)8 1/3
D)9
E)9 1/3
We know that average speed = total distance/total timeklaud wrote:Martha biked 18 2/3 miles in 2 hours and 40 minutes. What was her average rate of speed in miles per hour?
A)7
B)7 2/3
C)8 1/3
D)9
E)9 1/3
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