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Chewbacka2020
09.07.2019 •
Mathematics
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 thur month for the average usage over the four months to be 55 minutes
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Ответ:
She have to use her cell phone for 58 minutes in the fourth month.
Step-by-step explanation:
Since we have given that
Number of minutes Grace used her cell phone are as follows :
43 minutes, 62 minutes, 57 minutes, x.
Average = 55 minutes
As we know the formula for "Average":
Hence, She have to use her cell phone for 58 minutes in the fourth month.
Ответ: