document.write( "Question 818154: Brian earns twice as much as a tutor as he does pumping gas. His total weekly wages are $150 more than his sister. She earns one quarter as much as Brian does as a tutor. How much does Brian earn as a tutor?\r
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Algebra.Com's Answer #492509 by LinnW(1048)\"\" \"About 
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Brian earns twice as much as a tutor as he does pumping gas. His total weekly wages are $150 more than his sister. She earns one quarter as much as Brian does as a tutor. How much does Brian earn as a tutor?\r
\n" ); document.write( "\n" ); document.write( "B = Brians earnings as tutor
\n" ); document.write( "S = Sisters earnings\r
\n" ); document.write( "\n" ); document.write( "Since Brian earns twice as much as a tutor as pumping gas,
\n" ); document.write( "we can represent the amount he makes pumping gas as (1/2)B.\r
\n" ); document.write( "\n" ); document.write( "B + (1/2)B = S + 150 \r
\n" ); document.write( "\n" ); document.write( "(3/2)B = S + 150
\n" ); document.write( "S = (1/4)B
\n" ); document.write( "If we substitute (1/4)B for S in the first equation we have
\n" ); document.write( "(3/2)B = (1/4)B + 150
\n" ); document.write( "Subtract (1/4)B from each side.
\n" ); document.write( "(3/2 - 1/4)B = 150
\n" ); document.write( "(6/4 - 1/4)B = 150
\n" ); document.write( "(5/4)B = 150
\n" ); document.write( "Multiply each side by 4/5
\n" ); document.write( " B = (4/5)150
\n" ); document.write( " B = 600/5
\n" ); document.write( " B = 120\r
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