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mariarad [96]
3 years ago
13

For his long distance phone service, Brian pays a $5 monthly fee plus 9 cents per minute. Last month, Brian's long distance bill

was $11.93. For how many minutes was Brian billed?
Mathematics
2 answers:
lana [24]3 years ago
5 0
5+.09m=11.93  subtract 5 from both sides

.09m=6.93  divide both sides by .09

m=77

So he was billed for 77 minutes.

jenyasd209 [6]3 years ago
4 0
5 + 0.09m = 11.93
0.09m = 11.93 - 5
0.09m = 6.93
m = 6.93 / 0.09
m = 77....Brian was billed for 77 minutes
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