Asked by pete kardashian

Can you check my answer?


A business owner is comparing the cost of buying natural gas from two different companies.

Company A charges a $6 fee plus $1.25 per therm (unit of heat).
Company B charges a $9 fee plus $0.75 per therm (unit of heat).

For what number of therms will the cost be the same at both companies?

A. 6 therms

B. 13.5 therms

C. 9 therms

D. 12.75 therms******
Answered by mathhelper
no,
compA = 6 + 1.25t
compB = 9 + .75t
when are they equal?
6 + 1.25t = 9 + .75t
1.25t - .75t = 9+6
.5t = 3
t = 3/.5 = ...
Answered by pete kardashian
what? so wait... the answer is B. 13.5??? I'm still confused!
Answered by mathhelper
NO,
3/.5 means 3 divided by .5
= 6

Don't you have a calculator?
Answered by pete kardashian
Im dumb and confused! I also am very sick and loopy from my cough meds lol soooooo sorry! thank you very muchhhh!!
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