document.write( "Question 767682: Irene paid $40 more for her cell phone bill in July than in June. In August she paid $10 less than her June bill. If she paid a total of $120 for her cell phone, how much did she pay for her August bill? \n" ); document.write( "

Algebra.Com's Answer #467769 by Cromlix(4381) $\"\"$ $\"About$

You can put this solution on YOUR website!
June bill = x
\n" ); document.write( "July bill = x + 40
\n" ); document.write( "August bill = x - 10
\n" ); document.write( "Total:
\n" ); document.write( "x + (x + 40) + (x - 10) = 120
\n" ); document.write( "x + x + 40 + x - 10 = 120
\n" ); document.write( "3x + 30 = 120
\n" ); document.write( "3x = 120 - 30
\n" ); document.write( "3x = 90
\n" ); document.write( "x = 30
\n" ); document.write( "August bill was $20.
\n" ); document.write( "Hope this helps.
\n" ); document.write( ":-) \n" ); document.write( "

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