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Ede4ka [16]
3 years ago
11

An internet service provider charges $18 per month plus initial set up fee. Once customer paid a total of $81 after 2 months of

service. What is the initial set up fee and how much does it cost after 5 months of service
Mathematics
2 answers:
saw5 [17]3 years ago
8 0

18*m +fee = charge

at 2 months  the charge is 81  so substitute in

18*2 +fee = 81

36+fee=81

subtract 36 from both sides

fee = 45

for 5 months what is the charge

18*m +fee = charge

18*5 +45 = charge

90 + 45 = charge

135

Answer: the initial fee is $45 and the 5 month fee is $135

anzhelika [568]3 years ago
6 0

364.5 i am pretty sure not 100% sure but i belive it is


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