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19 March, 22:15

A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of $25 and then an additional 7 cents per minute of use. In Plan

B, the customer pays a monthly fee of $29.20 and then an additional 5 cents per minute of use.

For what amounts of monthly phone use will Plan A cost less than Plan B?

Usem for the number of minutes of phone use, and solve your inequality for m.

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  1. 20 March, 00:21
    0
    m < 210 minutes

    Step-by-step explanation:

    $29.20-$25 = $4.20

    $4.20 / ($0.07-$0.05) = 210
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