Hannah pays $39 per month for her cellular phone which includes 1 hour of use. After the first hour, she pays 20% per minute. How much

Question

Hannah pays $39 per month for her cellular phone which includes 1 hour of use.
After the first hour, she pays 20% per minute. How much will her monthly bill be
if she uses her phone 2.5 hours?

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Nguyệt Ánh 3 years 2021-08-23T09:12:56+00:00 1 Answers 4 views 0

Answers ( )

  1. minhkhue
    0
    2021-08-23T09:14:53+00:00
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    Answer:

    $57

    Step-by-step explanation:

    1h = $39

    so the first hour costs $39

    2.5h -1h =1.5h=90mins

    0.20×90=18

    so 1h30mins after the initial 1h cost $18

    so all together it costs $18+$39= $57

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