The monthly cost C for a cell phone is $20 each month plus $.10 for each minutes used. Which equation can be used to find the total cost (in dollars) for a month when m minutes are used?
A. C= m+20
B. C= 0.1m+20
C. C= 10m+20
D. C=20m
A. C= m+20
B. C= 0.1m+20
C. C= 10m+20
D. C=20m
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1 answer
1 answer
1 answer