document.write( "Question 714481: a car travels at 21x y^2 Kilometers per hour.
\n" ); document.write( "How far will the car travel in:
\n" ); document.write( "a. (2x+y) hours
\n" ); document.write( "b. (2x+1) hour
\n" ); document.write( "c. (y+2) hours
\n" ); document.write( "d. st
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Algebra.Com's Answer #438839 by Alan3354(69443)\"\" \"About 
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a car travels at 21x y^2 Kilometers per hour.
\n" ); document.write( "How far will the car travel in:
\n" ); document.write( "a. (2x+y) hours
\n" ); document.write( "b. (2x+1) hour
\n" ); document.write( "c. (y+2) hours
\n" ); document.write( "d. st
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\n" ); document.write( "The speed expression is not clear.
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\n" ); document.write( "d = r*t, r = the rate, or speed
\n" ); document.write( "a. d = r*(2x+y)
\n" ); document.write( "etc
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