Question

Mrs. Coleman determined the following annual expenses for energy from her last year's bills: electricity - $3,080; gas - $875; water and sewer $720. If she budgets 20%more for next year, what is her monthly budget for energy?$557,50$551.86$545.54$536.74None of these choices are correct.

Answer 1

The total annual energy expense is:

`T=3080+875+720=4675`

The buget is increased by 20%.

So the 20% of the total is given by:

`T_(0.2)=4675*(20)/(100)=935`

Hence the total expense on energy next year will be:

`T+T_(0.2)=4675+935=5610`

Hence the monthly budget is given by:

`M=(T+T_(.2))/(12)=(5610)/(12)=467.5`

Hence the monthly budget on energy is $467.5.

Option E is correct.