Lauren’s first cell phone bill of P72.75 included an activation fee of P36 and a charge of P0.25 for each minute used. This situation is represented by the equation below, where x represents the number of minutes used.
0.25 x + 36 + = 72.75

According to her cell phone bill, how many minutes did Lauren use the first month?

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Answers

2014-09-07T15:17:40+08:00
0.25 x + 36 = 72.75 0.25x=72.75-36 0.25x=36.75 x=36.75 ÷ 0.25 x=147. Minutes.
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