Answer :

9 mph because if it was 4/5 miles in 1/10 of an hour you just multiply it by 10 to get an hour and if you multiply 4/5 x 10 equals 40/5. simplified it is 9
zmcever

Answer:

The unit rate is 8 miles in an hour

Step-by-step explanation:

To solve, notice that this is the distance in 1/10 of an hour. So multiply the distance by 10 go get the unit rate:

4/5 x 10

4/5 x 10/1 = 4/1 x 2/1 = 8/1 = 8

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