Quantity, percentage, percentage value: Applying the formula

A 20% discount is applied to a toy ordinarily priced at $40.

What is the new price after the discount?

$40-8=32$To find percentages, we must use two pieces of information we have: the total amount ($40) and the discount (20$Which allows us to find the percentage of something.

We replace:

$40\times\frac{20}{100}=$
$\frac{800}{100}=$

$8$

We discover that the value of the discount is 8.

But we are not finished yet!

We need to subtract the discount from the original amount to find the sale price:
\( 40-8=32

32

What is the percentage of 14 over 90?

15.555...%

How much is 25% of 86

21.5

How much is 7% of 40?

2.8