jonathan can jog 3 2/5 miles i 7/8 hour. find his average speed in miles per hour.

Question

can you help me with my homework?

Answer 1

3 2/5 = 17/5

divide by 7/8

same as multiply by 8/7

= 17/5 x 8/7 = 17(8)/5(7)= 136/35 =about 3.89 mph

or 3 2/5=3.4

7/8= .875

= 3.4/.875= about 3.885714286...=136/35 mph

use a calculator