Electrical services cost 6$ per month plus $0.15 per kilowatt - hour of electricity used. (Assume that partial kilo is not rounded up)
A. If the resident uses 640 kilowatt hours in one month, what is the charge?
B. Write an equation in slope intercept form that gives the cost of C of using x kilowatt - hours in 1 month?
C.If the monthly electrical bill for the apartments residents is 66$, how many kilowatt hours were used?

Question

Electrical services cost 6$ per month plus $0.15 per kilowatt - hour of electricity used. (Assume that partial kilo is not rounded up)
A. If the resident uses 640 kilowatt hours in one month, what is the charge?
B. Write an equation in slope intercept form that gives the cost of C of using x kilowatt - hours in 1 month?
C.If the monthly electrical bill for the apartments residents is 66$, how many kilowatt hours were used?