anytime minutes keeping her total cost to no more than $140 before taxes

Algebra
Tutor: None Selected Time limit: 1 Day

Suppose a telecom company offers a nation 1550 monthly plan that includes 1550 anytime minutes and unlimited nights and weekends for $70. Each additional anytime minute (or fraction of a minute) costs the user $0.55. If a customer subscribes to this plan, how many anytime minutes can she use each month while keeping her total cost to no more than $140 (before taxes)?

Jun 10th, 2015

Dear your question is under process and shall be available to you in few minutes

Jun 10th, 2015

Let she use 'n' anytime minutes; then

As for $70 = 1550

and for $140:

1550 = n(0.5)

n = 3100 minutes

extra minutes = 3100 - 1550 = 1600


Jun 10th, 2015

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