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RUDIKE [14]
2 years ago
7

A phone company charges a base fee of $12 per month plus an additional charge per minute. The monthly phone cost C can be repres

ented by this equation: C=12+a⋅m, where a is the additional charge per minute, and m is the number of minutes used.
Which equation can be used to find the number of minutes a customer used if we know a and C?

A
m=C−12a

B
m=(C−12)−a

C
m=C−12a

D
m=Ca−12
Mathematics
2 answers:
Rina8888 [55]2 years ago
3 0

Answer:

It’s actually     m = (C - 12) /3     But I don’t see it in the 4 option you have.

Step-by-step explanation:

C = 12+ am

C - 12 = am

(C - 12) /a = m

kumpel [21]2 years ago
3 0

Answer:

beside in this equation where C=$12 a= the additional charges and m= minutes used the equation would be C m=C-12a

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