document.write( "Question 1005917: solve john can wash and wax his car in 6 hours on his own. if his little brother helps him he can do it in only 2 hours. if johns little brother worked alone how long would it take to wash and wax the car \n" ); document.write( "

Algebra.Com's Answer #622046 by fractalier(6550) $\"\"$ $\"About$

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The set up looks like this (let B = little brother's time):
\n" ); document.write( "2/6 + 2/B = 1
\n" ); document.write( "Multiply by 6B and get
\n" ); document.write( "2B + 12 = 6B
\n" ); document.write( "12 = 4B
\n" ); document.write( "B = 3 hours \n" ); document.write( "

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