Find the cost of phone for month

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Reference no: EM131566606

Question: Using a mobile phone costs $30 per month, and an additional $0.16 per minute of use.

(a) What is the cost for one month if the phone is used for a total of x minutes?

(b) What are the smallest and largest numbers of hours you can use the phone in a month if the monthly telephone bill is to be between $102 and $126?

Reference no: EM131566606

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