Homework Help: math

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

73. Cell Phone Plan A cell phone plan costs $3.95 per
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 1:55pm
a. 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...
math - your cellular phone plan costs $11 per month plus $.12 per minute of ...
Gr10 Math - Charlene is looking into cell phone plans. Cell plus gives unlimited...
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 ...
pre-albegra word problem - I need to write a verbal rule to determine the total ...
algebra - Marissa has budgeted $65 for her monthly cell phone expense. If her ...
pre-algebra - Marissa has budgeted $65 for her monthly cell phone expense. If ...
Algebra - ABC phone company charges $18 per month plus 7 cents per minute of ...

For Further Reading

First Name:
School Subject:
Answer: