document.write( "Question 1023152: mr fisher asked 8 boys to help him carry books into the store room. it takes them 30 minutes to complete the job calculate how long will it take 4 boys \n" ); document.write( "
Algebra.Com's Answer #638674 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "8 boys took 30 minutes How long \n" ); document.write( "would it take 4 boys? \n" ); document.write( "Would you expect it to take a \n" ); document.write( "longer or shorter time? \n" ); document.write( "it will take longer so:- \n" ); document.write( "So the ratio is: \n" ); document.write( "8/4 x 30 minutes. \n" ); document.write( "= 60 minutes. \n" ); document.write( "(If it had been 12 boys \n" ); document.write( "then the ratio would have been \n" ); document.write( "8/12 x 30 minutes = 20 minutes) \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |