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OpenStudy (anonymous):
Keyra's phone bill is $72 per month. This is based on a fixed fee of $32, and $ 0.15 per minute of usage. What is the number of minutes keyera uses per month?
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OpenStudy (anonymous):
Assume t is the minutes of usage. Then Total bill=fixed fee+"minute" fee
OpenStudy (anonymous):
build the equation first.
OpenStudy (anonymous):
is the equation 0.15t+32=72? and I know but I just get really confused after reading the problem
OpenStudy (anonymous):
Yep now solve for t
OpenStudy (anonymous):
thanks!
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