document.write( "Question 972939: gerald can plant 8 trees in 6 days. Christine can plant 6 trees in 9 days.working together how many trees can they plant in 15 days? \n" ); document.write( "
Algebra.Com's Answer #595181 by macston(5194)\"\" \"About 
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\n" ); document.write( "Gerald: 8 trees/6 days=8/6 trees/day
\n" ); document.write( "Christine: 6 trees/9 days=6/9 trees/day
\n" ); document.write( "Together=8/6 trees/day+6/9 trees /day Find common denominator.
\n" ); document.write( "Together=24/18 trees/day+12/18 trees/day=36/18 trees/day=2 trees/day
\n" ); document.write( "If they plant 2 trees/day for 15 days:
\n" ); document.write( "(2 trees/day)(15 days)=30 trees
\n" ); document.write( "ANSWER: Together they can plant 30 trees in 15 days.
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