document.write( "Question 370264: Aimee mows lawns at a rate of 30 square feet per minute, Judy mows at 40 square feet per minute, and sue mows 60 square feet per minute. They accept a job that requires they mow 22,400 square feet of lawn. Aimee begins mowing at 7 am but Judy does not begin for another 15 minutes. Sue begins mowing at 8:45am and they finish together. To the nearest minute, how long did Judy work? \n" ); document.write( "
Algebra.Com's Answer #263999 by edjones(8007)![]() ![]() You can put this solution on YOUR website! By 8:45 Aimee mowed 30(60+45)=30*105=3150 ft^2 \n" ); document.write( "By 8:45 Judy mowed 40(60+30)=30*90=2700 ft^2 \n" ); document.write( "22400-3150-2700=16550 left to mow \n" ); document.write( "30+40+60=130/min combined \n" ); document.write( "16550/130=127 min left to mow. \n" ); document.write( "127+90=217 min. Judy worked. \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |