document.write( "Question 1197195: If Machine A can make a yo-yo every 5 minutes and Machine B can make a yo-yo every 10 minutes, how long wold it take them working together to make 20 yo-yo's? \n" ); document.write( "

Algebra.Com's Answer #830359 by josgarithmetic(39617) $\"\"$ $\"About$

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x minutes\r
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\n" ); document.write( "\n" ); document.write( " $\"%281%2F5%2B1%2F10%29x=20\"$ \r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( " $\"3x%2F10=20\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=200%2F3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=66%262%2F3\"$ \r
\n" ); document.write( "\n" ); document.write( "66 minutes 40 seconds \n" ); document.write( "

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