# college math

posted by .

last month bill's electric bill was \$80.77. This month , bill bill was \$69.06. what is the%degrease

• college math -

degrease? You sure it's electric, and not plumbing?

the decrease is 80.77-69.06 = 11.71

as a percent of the bill, 11.71/80.77 = .1449 = 14.49%

• college math -

%decrease=(decrement / initial)x 100
=(80.77-69.06)/80.77 x 100
=11.71/80.77 x100
=14.497%

## Similar Questions

1. ### Finance

Which security offers a higher effective annual yield?
2. ### statistics

The average electric bill in a residential area is \$72 for the month of May. The standard deviation is \$6. If the amounts of electric bills are normally distributed, find the probability that the mean of the bill for 15 residents will …
3. ### college math

Last month Bill's electric bill was \$80.77. this month Bill's bill was \$69.06. What is the percent decrease?
4. ### college math

Last month Bill's electric bill was \$80.77. This month it is \$69.06. what is the percent decrease?
5. ### math

Last month, Bill's electric bill was \$80.77. This month, Bill's bill was \$69.06. What is the percent decrease?
6. ### math

Suppose that the 6-month US Treasury bill rate is equal to 5% and the forward rate on a 6-month Treasury bill 6 months from now is 7.24%. (both in yearly terms). What is the rate of a 1-year bill?
7. ### Algebra

Tom has a \$20 bill, a \$10 bill, a \$5 bill, and \$1 bill. List the total costs possible for items he could buy if he receives no change.
8. ### goverment

Which term is applied to a legislator who introduces a bill?
9. ### math

Last month, Bill's electric bill was \$80.77. This month, Bill's bill was \$69.06. What is the percent decrease?
10. ### Math

Paul's electric bill was three dollars more than one-half his gas bill. If electric bill was ninety-two dollars, what was gas bill

More Similar Questions