Respuesta :

maddiecat90

Answer:

$8.40

Step-by-step explanation:

to find discount you use part=%(whole) so you are looking for your part but know the % and whole so you do x=40%(21) and 40%, or 0.4, times 21 is 8.4 so thats your part, 8.4 is 40% of 21 and thats how much youll pay

talkingmatthew20

Answer:

Discounted price: $12.9

Discounted amount: $8.1

Step-by-step explanation:

Ask google what is (number%) of (value#)

^this will get you the discounted amount.

Subtract the discounted amount from the original number.

^this will get you the discounted price.

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