document.write( "Question 1019886: gus is saving money to buy an xbox 360 he earns $15 each week for allowance and has already saved $90 towards this purchase \n" ); document.write( "
Algebra.Com's Answer #635884 by LinnW(1048)\"\" \"About 
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Set w = no of weeks
\n" ); document.write( "90 + 15w = 360
\n" ); document.write( "add -90 to each side
\n" ); document.write( "15w = 360-90
\n" ); document.write( "15w = 270
\n" ); document.write( "divide each side by 15
\n" ); document.write( "w = 18 weeks
\n" ); document.write( "
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