Question

Brianna went shopping for a new video game because of a sale. The store was offering a 15% discount. If the price on the tag was $23, what would be the price after the discount but before tax, to the nearest dollar and cent?

Answer 1

100

%

−

45

%

=

100%−45%=

 

 

55

%

55%

Whole price before discount = 100%, then subtract discount

55% of the price means

55

100

of it.

55% of the price means

100

55

​

of it.

"Percent" literally means "out of 100."

55

100

=

100

55

​

=

 

 

0.55

0.55

To find 55% of the price, multiply by

0.55

:

To find 55% of the price, multiply by 0.55:

$

44

×

0.55

=

$44×0.55=

 

 

$

24.20

$24.20

​

Method 2

Find the discount, 45% of $44:

Find the discount, 45% of $44:

45

100

=

100

45

​

=

 

 

0.45

0.45

$

44

×

0.45

=

$44×0.45=

 

 

$

19.80

$19.80

Subtract the discount from the price:

Subtract the discount from the price:

$

44

−

$

19.80

=

$44−$19.80=

 

 

$

24.20

$24.20

Explanation:

Answer 2

15%=15/100=0.15
23•0.15=3.45
Take $3.45 away from the total cost, $23=
$19.55