A house painting company charges $376 plus $12 per hour. Another company $280 plus $15 per hour.

A. how long is a job for which both companies will charge the same amount?
B.What will the cost be?

Question

A house painting company charges $376 plus $12 per hour. Another company $280 plus $15 per hour.

A. how long is a job for which both companies will charge the same amount?
B.What will the cost be?

tkhunny · Answer

Can you build a linear function for each?

House Painting Company
h(t) = ??

Other Company
O(t) = ??

texaschic101 · Answer

376 + 12h = 280 + 15h
376 - 280 = 15h - 12h
96 = 3h
96/3 = h
32 = h

376 + 12(32) =376 + 384 = 760
280 + 15(32) = 280 + 480 = 760

ANSWER : (a) 32 hours
               (b) $ 760

tkhunny · Answer

Gaaa!!  I guess we'll never know if samkurk can do it.

texaschic101 · Answer

My bad....I am sorry....I shouldn't have given the answer :(