Homework Help: math

Posted by Devon Kennedy on Tuesday, December 11, 2012 at 8:38pm.

How do you express 400 yards in 53 seconds as a unit rate?

math - anonymous, Tuesday, December 11, 2012 at 8:44pm
just divide 400 by 53 and it becomes yards per second
math - Ms. Sue, Tuesday, December 11, 2012 at 8:45pm
Cross multiply and solve for x.

400/53 = x/1

53x = 400

x = 400/53

x = 7.55 yards per second

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