Sunday

September 21, 2014

September 21, 2014

Posted by **Priscilla** on Sunday, June 8, 2014 at 12:30am.

- Math -
**Reiny**, Sunday, June 8, 2014 at 8:26amThe equation for your cost:

cost = .1(m-500) + 25 , where m is in minutes

so :

.1(m-500) + 25 > 30

For the second part, m = 525

cost = .1(525-500) + 25

= $27.50

**Answer this Question**

**Related Questions**

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

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

Algebra - ABC phone company charges $18 per month plus 7 cents per minute of ...

math - 73. Cell Phone Plan A cell phone plan costs $3.95 per month plus $0.07 ...

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 - cellular phone companies. 1. with this plan each person is charged $19.95...

Math - Long distance Phone Company A charges a base rate of $5.00 per month plus...

Algebra - ABC phone company charges $16 per month plus 8¢ per minute of phone ...

Algebra - ABC phone company charges $16 per month plus 8¢ per minute of phone ...