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OpenStudy (anonymous):
2. The cost of a long-distance telephone call is given by the function C(m) = 0.1m + 0.75 where m is the length of the call in minutes. Determine how long a phone call can be made for $5.75. 45 minutes 55 minutes 57 minutes 50 minutes
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OpenStudy (helder_edwin):
solve the equation \[ \large 5.75=C(m)=0.1m+0.75 \]
OpenStudy (anonymous):
50 minutes
OpenStudy (anonymous):
Thank You Both :)
OpenStudy (helder_edwin):
u r welcome (solve the equation by yourself)
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