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

3 answers

Always check back to your original post
6 + 1.25 * 13.5 = 22.875
9 + .75 * 13.5= 19.125
hummm
your correct its 13.5