SOLUTION: The electricity costs of a business decreased from $12,000 one year to $10,920 the next. What is the rate of decrease?

Algebra ->  Linear-equations -> SOLUTION: The electricity costs of a business decreased from $12,000 one year to $10,920 the next. What is the rate of decrease?       Log On


   

Question 86059: The electricity costs of a business decreased from $12,000
one year to $10,920 the next. What is the rate of decrease?

Answer by dolly(163) About Me  (Show Source):
You can put this solution on YOUR website!
Original cost of electricity = $12000
Present cost of electricity = $10920
Decrease = 12000 - 10920
= $180
Rate of decrease = decrease/original * 100
= (180/12000)* 100
= 3/2
= 1.5%