Asked by diana

a person on a moving sidewalk travels 21 feet in 7 seconds the moving sidewalk has the length of 108 feet how long will it take to move from one end of the sidewalk to the other

Answers

Answered by Ms. Sue
7/21 = x/108

Cross multiply and solve for x.

or

http://www.jiskha.com/display.cgi?id=1415068569
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