document.write( "Question 550099: In a certain amount of time, a plane traveling at a constant 250 miles per hour traveled 20,000 feet. In this same amount of time, how many feet would a plane traveling at a constant 400 miles per hour travel? \n" ); document.write( "

Algebra.Com's Answer #358439 by mathstutor458(57) $\"\"$ $\"About$

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A plane traveling at a constant 250 miles per hour traveled 20,000 feet.
\n" ); document.write( "250miles/hour = 20000feet
\n" ); document.write( "400miles/hour = 20000*400/250
\n" ); document.write( " = 80*400
\n" ); document.write( " = 32000 feet can travel a plane
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