The oil burner in a certain house is used to heat the house and to heat the hot water.During the seven cold months when the house is heated, an average of 200 gallons of oil a month is used.In the remaining five months, when the house is not heated, a total of 200 gallons of oil is used.What percentage of the year's oil supply is required to heat water during these five months?

a. 1/8%
b. 7%
c. 8%
d. 12 1/2%
e. 14%

please answer and explain

4 answers

OK, Thomas. We've shown you how to do many of your problems. Now it's your turn. What is YOUR answer?
I had a lot of homework

7 months= 200x7=1400
5 months= 200
year= 1600

1600/100=16

200/16=12.5

so, my answer is d

but I am not sure, I want to make sure the answer, Ms Sue
D is right! :-)
no is e 14% the answer key says that i'm A+ teacher