Question

What is the percent decrease from $80 to$64 rounded to the nearest percent

Answer 1

[(80-64)/80]*100 expression
[16/80]*100 do the change in price
0.2*100 division
20 multiply
20% add percent sign

Answer 2

20%

Explanation:

The first step in finding how much the quantity decreased. We do a subtraction:

`80-64=16`

and now we must know how much percentage is 16 of 80, for this we divide:

`(16)/(80)=(1)/(5) = 0.2`

and finally we convert this decimal value to a percentage multiplying by 100%

0.2(100%) = 20%

the quantity decreased by 20%