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Mkey [24]
3 years ago
9

A phone company charges you a monthly flat fee of $12 and $0.25 a minute per call. The bill for the month of September is $21. H

ow many minutes were charged on this bill? a. Write an equation that models this situation using to represent the number of minutes b. Solve for and answer the question.
Mathematics
1 answer:
3241004551 [841]3 years ago
3 0

Answer:

36 minutes

Step-by-step explanation:

Flat fee = $12

Charges per minutes = $0.25

Total charges = $21

Total charges = flat fee + charges per minutes

21 = 12 + 0.25x

21 = 12 + 0.25x

21 - 12 = 0.25x

9 = 0.25x

x = 9 / 0.25

= 36

x = 36 minutes

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