Sunday

September 21, 2014

September 21, 2014

Posted by **misty** on Sunday, January 8, 2012 at 12:50pm.

- Algebra -
**Steve**, Sunday, January 8, 2012 at 4:15pmfor charges,

r = 50 + 15m for m units

t = 70 + 10m

you want

r < t

50 + 15m < 70 + 10m

5m < 20

m < 4

so, if the call lasts less than an hour (4 units of 15 min. each) it will be cheaper to call Rick.

**Answer this Question**

**Related Questions**

Math-Advanced Pre-Algebra - A computer repair shop charges a flate rate of 50$ ...

math - Jamia is deciding between two long-distance telephone plans: • Plan A ...

algebra 2 - Two snow resorts offer private lessons to their customers. Big Time ...

Algebra 1-Math - There's a table that says Company A charges $0.36 plus 0.03. ...

pre-algebra - Linda would like to hire a clown to perform at her son's birthday...

Algebra 2 - Plan A charges $5 per minute plus a one time monthly fee of $75 and ...

Pre-Algebra - Solve the inequality for each solution. -Arnelle's checking ...

Algebra 1 - A landscape company charges $100 plus $15 per hour. Another company ...

math - how would i write a equation if the company charges $38 for a house call ...

math - how would i write a equation if the company charges $38 for a house call ...