Question 348292
Let {{{x}}} = number of calls in excess of 100
given:
Total monthly bill = {{{55.25}}}
Amount paid @ .25/call over 100 calls = {{{.25x}}}
{{{.25x + 33.5 = 55.25}}}
{{{.25x = 21.75}}}
{{{x = 87}}}
The customer made 87 calls