Answer:
$32
Explanation:
First, find 20% of 40.
20% as a decimal is 0.20 (20/100)
0.20 x 40 = 8
Now, subtract 8 from the original price.
40 - 8 = 32
40 decrease 40%
40 x (1-20%) = 40 x (1-0.2) =32
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