Monday

January 26, 2015

January 26, 2015

Posted by **Jessica** on Tuesday, April 19, 2011 at 4:48pm.

a. Find the cost of a two hour service call.

b. How long was a services call that cost $150?

Also .......

as the weight held by a spring increases, the length of the spring increase proportionally. suppose a 2-lb weight stretches a spring to 15 in., and a 12-lb weight stretches the same spring to 20 in. what is the length of the spring with no weight attached?

- Math -
**Henry**, Wednesday, April 20, 2011 at 3:31pma. C = 45 + 70*1 = $115 = Cost.

b. 45 + 70X = $150,

70X = 150 - 45 = 105,

X = 1.5h.

Jessica, check your 4-18-11,2:45pm post

- Math -
**ho le chong**, Monday, June 2, 2014 at 5:41pmsooka my dik

- Math -
**Ping Pong Ding Dong**, Thursday, June 12, 2014 at 11:02amsook me hary bllz

- Math -
**Anonymous**, Wednesday, September 24, 2014 at 8:58amslope of the line through A(2, 6) and B(8, -1)?

**Answer this Question**

**Related Questions**

Math - Apex Plumbing charges a trip fee of $55 plus $15 for each quarter hour of...

Math - Word Problem - Word problems confuse me >_> You are choosing ...

math - A plumber charges a flat $50 for a home service call plus $10 per 15 ...

math - You need to choose a long distance telephone service for your business. ...

Math - An electrician charges a $50 fee to make a service call plus $25 per hour...

programming - Write a program that computes the cost of a long distance call. ...

Math - Randolph runs a home appliance repair business and charges a service call...

math - A computer technician charges $40 for a house call and $38 per hour. The ...

Math - Student budgeted a $25 a month for phone service. If the telephone ...

algebra 2 - A electrician charges $50 for the first half-hour of work and $30 ...