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Shkiper50 [21]
3 years ago
9

For the past three months, Grace used her cell phone for 43 minutes, 62 minutes, and 57 minutes. How many minutes would she have

to use her cell phone this month for the average usage over the four months to be 55 minutes? Be sure to include units in your answer
Mathematics
1 answer:
Alika [10]3 years ago
6 0

Answer:

Step-by-step explanation:

If they want the average for four months to be 55 minutes, this means that the total of the four months = 55 x 4

Total of four months = 220 minutes

They already told us that the three previous months she used her cellphone for 43 minutes, 62 minutes and 57 minutes.

All you have to do now is subtract everything from the total of the four months.

4th month = 220 - 43 - 62 - 57

= ? Minutes

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