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dimulka [17.4K]
3 years ago
8

for his long distance phone service, lamar pays a $3 monthly fee plus 11 cents per minute. last month, lamar's long distance bil

l was $20.82 . for how many minutes was lamar billed
Mathematics
1 answer:
e-lub [12.9K]3 years ago
4 0
Let the number of minutes be = x.

Cost per minute = 11 cents = 0.11

Phone Bill = Monthly fee  +    0.11* x 

Substituting from the question

20.82 = 3 + 0.11x

3 + 0.11x = 20.82

0.11x = 20.82 - 3

0.11x = 17.82

x = 17.82/0.11

x = 162  

<span>Lamar was billed for 162 minutes.</span>
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