Jonathan can jog miles in 3 2/5 miles in 6/7 hour. Find his average speed in miles per hour.

Answer:
about 4 mph
Step-by-step explanation:
there are 60 min in an hour
60 ÷ 7 = about 51
so 6/7 of an hour is about 51 min
so Jonathan can jog 3 2/5 miles in about 51 min
3 2/5 ÷ 51 = 1/15
1/15 × 60 = 4
so the answer is about 4 miles per hour