document.write( "Question 614763: Mr. Stanley mowed 3/4 of his lawn in 1 1/4 hours. Mr. Samuels, who works twice as fast, finished mowing the lawn. How many minutes did mr. Samuels work?
\n" ); document.write( "A)12 1/2
\n" ); document.write( "B)15
\n" ); document.write( "C)25
\n" ); document.write( "D)38
\n" ); document.write( "E)50 \n" ); document.write( "
Algebra.Com's Answer #386684 by lwsshak3(11628)\"\" \"About 
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Mr. Stanley mowed 3/4 of his lawn in 1 1/4 hours. Mr. Samuels, who works twice as fast, finished mowing the lawn. How many minutes did mr. Samuels work?
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\n" ); document.write( "Mr Stanley's work rate=(3/4)/75=.75/75=.01=1/100 (which means he could have finished mowing the lawn by himself working 25 more minutes at this work rate)
\n" ); document.write( "..
\n" ); document.write( "Mr Samuel's work rate=twice that of Mr Stanley's=2*(1/100)=1/50
\n" ); document.write( "let x=minutes Mr Samuel worked to finish mowing the lawn
\n" ); document.write( "3/4+x*1/50)=100% completion of mowing the lawn
\n" ); document.write( ".75+.02x=1
\n" ); document.write( ".02x=1-.75=.25
\n" ); document.write( "x=.25/.02=12.5
\n" ); document.write( "ans:
\n" ); document.write( "Minutes Mr Samuel worked to finish mowing the lawn=12.5
\n" ); document.write( "A is the correct answer \n" ); document.write( "
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