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A cell phone company charges $20 fixed monthly fee and 15 cents for every minute of talk time. Write an equation for total cost ‘c’, if someone talks for ‘m’ minutes.

A cell phone company charges $20 fixed monthly fee and 15 cents for every minute of talk time. Write an equation for total cost ‘c’, if someone talks for ‘m’ minutes.
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a cell phone company charges $20 fixed monthly fee and 15 cents for every minute of talk time. Write an equation for total cost ‘c’, if someone talks for ‘m’ minutes.

User NSExceptional
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7.8k points

2 Answers

1 vote
c=15m+20 because 15 is the constant rate of change monthly, and 20 is what you’re adding on to
User Austin Ziegler
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7.7k points
5 votes

Answer:

i know but 20c = 15m

Explanation:

?

User Andrey Sitnik
by
8.2k points
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