Thursday

December 18, 2014

December 18, 2014

Posted by **sunny** on Friday, January 18, 2013 at 3:17pm.

month plus $0.07 per minute. (Assume that a partial

minute is not rounded up.)

(a) During July, a person talks a total of 50 minutes.

What is the charge?

(b) Write an equation in slope–intercept form that

gives the monthly cost C of talking on this plan

for x minutes.

(c) If the charge for one month amounts to $8.64,

how much time did the person spend talking on

the phone?

- math -
**PsyDAG**, Sunday, January 20, 2013 at 1:55pma. Per month = 3.95 + 50(.07) = ?

b. y = .07x + 3.95

c. 8.64 = .07x + 3.95

Solve for x.

**Answer this Question**

**Related Questions**

algebra - I need to write an equation for the following: Denise's cell phone ...

Algebra Problem Solving - Denise's cell phone plan is $29.95 per month plus $.10...

math - your cellular phone plan costs $11 per month plus $.12 per minute of ...

pre-albegra word problem - I need to write a verbal rule to determine the total ...

math - MaineCellular offers a phone plan that costs $12 per month plus 10 cents ...

math - Marissa has budgeted $65 for her monthly cell phone expense. If her plan ...

math - Marissa has budgeted $65 for her mothly cell phone expense. If her plan ...

algebra - Marissa has budgeted $65 for her monthly cell phone expense. If her ...

Math - You have a wireless phone plan that costs $25 per month. You must also ...

pre-algebra - Marissa has budgeted $65 for her monthly cell phone expense. If ...