The fact your family Drove from Arizona to Malibu ,California to spend a week at the beach they drove
421 miles in nine hours what was their average speed in miles per hour?

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To solve this question, you need to do 421 divided by 9.

421 divided by 9 will get you a long number, which is 46.7777778.

Round your number up by the hundredths place. You will get 46.78.

The average speed in miles per hour would be 46.78 MPH.
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