SOLUTION: Hello, I was wondering if the formula I plan on using works with this problem; and if it is the correct one how do I go about solving it? Formula: y=mx+b 3. A cell phone com

Question 672589: Hello,
I was wondering if the formula I plan on using works with this problem; and if it is the correct one how do I go about solving it? Formula: y=mx+b
3. A cell phone company has offered you two different rates. The first rate is $35 per month and 5 cents per phone call (time does not matter). The second offer is $55 per month and 2 cents per call.

Part A: Set up and solve the inequality to model this problem and find where it is less expensive to go with the second plan.
The cell phone company also has two texting plans. The first is unlimited texts for $12. The second plan is 8 cents per text.
Part B: Set up and solve an inequality to show when it less expensive to go with the second texting plan.

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
$35 per month and 5 cents per phone call (time does not matter). The second offer is $55 per month and 2 cents per call.

A cell phone company has offered you two different rates:
a.
the first rate is $ per month and cents per phone call (time does not matter)
b.
the second offer is $ per month and cents per call
Set up the inequality
plan and plan , where
let be number of calls made per month, then we have

when the calls are than plan is better deal
when the calls are than plan is better deal

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