A telephone company charges $40.00 per month for cell phone usage that does not exceed 750 minutes. Any usage over 750 minutes is charged at

Question

A telephone company charges $40.00 per month for cell phone usage that does not exceed 750 minutes. Any usage over 750 minutes is charged at a rate of $0.45 a minute. If a customer uses a cell phone for 977 minutes in a month, how much will that monthly cell phone bill be?

in progress 0
Ngọc Khuê 3 years 2021-07-16T04:35:28+00:00 1 Answers 13 views 0

Answers ( )

    0
    2021-07-16T04:37:06+00:00

    $142.15

    977-750 = 227
    227 • .45 = 102.15
    102.15 + 40 (monthly payment) = 142.15 🙂

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )