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a phone company uses the expression 1.25 + 0.10m to calculate the cost of a phone call that lasts m minutes. what is the cost of a call that
Question
a phone company uses the expression 1.25 + 0.10m to calculate the cost of a phone call that lasts m minutes. what is the cost of a call that lasts 20 minutes?
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Mathematics
5 months
2021-08-27T23:13:24+00:00
2021-08-27T23:13:24+00:00 1 Answers
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Answer:
Step-by-step explanation:
Given
Required
We have:
Substutute 20 for m