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OpenStudy (anonymous):
A plane travels 2187 miles in 5.4 hours. Find the plane's speed in miles per hour. mi/h ?
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OpenStudy (texaschic101):
2187/5.4 = x/1 -- (2187 miles to 5.4 hrs = x miles to 1 hr) cross multiply (5.4)(x) = (2187)(1) 5.4x = 2187 -- divide both sides by 5.4 x = 2187/5.4 x = 405 planes speed = 405 miles/hr
OpenStudy (anonymous):
thanks so much :)
OpenStudy (texaschic101):
anytime :)
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