Step-by-step explanation:
Formula:. old-new/old x 100
20-12 =6 6/20= .3 .3
x100 = 30%
Answer:
The price was decreased by 40%
Take the original price and subtract the new price
20-12 = 8
Divide by the original price
8/20 = .4
Change to a percent
40 %
The answer is 1.
If it is 5 or more, you round up. If it is 4 or less, you keep it the same.
$9.20
0.007%
4000/28=0.007%
8weeeks bc 22.50*8=180