The electricity costs of a business decreased from $12,000 one year to $10,920 the next. What is the rate fo decreased?
2007-08-05 16:35:09 · 4 answers · asked by moni 1 in Science & Mathematics ➔ Mathematics
can you show me how you got the answer please? thanks and i'll give you 10 pts.
2007-08-05 16:35:43 · update #1
Decrease = $1080
% decrease
= (1080 / 12000) x 100
= 1080 / 120
= 108 / 12
= 9
decrease = 9 %
2007-08-05 20:00:58 · answer #1 · answered by Como 7 · 0⤊ 0⤋
12,000 - 10,920=1,080 then 1,080/12,000=.09=9% is the rate of decrease!
2007-08-05 23:44:13 · answer #2 · answered by jenny d 1 · 0⤊ 0⤋
$12000-10920 = $1080 decrease
1080/12000 = 0.09 = 9% decrease over a year
2007-08-05 23:45:25 · answer #3 · answered by hornedphrog 2 · 0⤊ 0⤋
The answer is 2,180, man that business got a good discount!
2007-08-05 23:44:05 · answer #4 · answered by Joshua M 1 · 0⤊ 0⤋