3 years ago

Joe walked four over nine of a mile in four over five of an hour. What is his unit rate in miles per hour?

1 answer:

8 0

four over nine of a mile in four over five of an hour

= 4 4
----- / ----
9 5

= 4 5
----- * ----
9 4

= 20
-------
36

= 5
-----
9

answer is : four ninths over four fifths = five over nine mile per hour (first choice)

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