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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.

User Lashonda
by
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5 votes

Answer:

m < 210 minutes

Explanation:

$29.20-$25 = $4.20

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

User Meru
by
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