document.write( "Question 746313: Leticia can assemble a swing set in 3 hours while Betty can in 5 hours. How long would it take for them to assemble the swing set together? \n" ); document.write( "
Algebra.Com's Answer #454226 by nerdybill(7384)\"\" \"About 
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Leticia can assemble a swing set in 3 hours while Betty can in 5 hours. How long would it take for them to assemble the swing set together?
\n" ); document.write( ".
\n" ); document.write( "Let x = hours it takes together
\n" ); document.write( "then
\n" ); document.write( "x(1/3 + 1/5) = 1
\n" ); document.write( "multiply both sides by 15:
\n" ); document.write( "x(5 + 3) = 15
\n" ); document.write( "x(8) = 15
\n" ); document.write( "x = 15/8
\n" ); document.write( "x = 1.875 hours
\n" ); document.write( "or
\n" ); document.write( "x = 1 hour and 53 minutes \n" ); document.write( "
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