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bazaltina [42]
2 years ago
6

Your cellphone company charges a $18 monthly fee, plus $0.11 per minute of talk time. One month your cell phone bill was $70.80.

How many minutes did you spend talking on the phone that month?
Mathematics
2 answers:
Eduardwww [97]2 years ago
8 0

Answer:

480 minutes

Step-by-step explanation:

We can write this relationship as y=0.11x+18 and then solve for x when y=70.80:

y=0.11x+18\\\\70.80=0.11x+18\\\\52.80=0.11x\\\\480=x

Therefore, you spent 480 minutes talking.

NemiM [27]2 years ago
5 0

Answer:

480 minutes would be the answer

Step-by-step explanation:

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