Let the original price be x . And the stores are offereing 20% discount. It means , we need to pay only 80 percent.
And it is given that the discount prices is 16.80. That is
0.8x = 16.80
Now we need to get rid of 0.8.
And for that, we divide both sides by0.8,
x =21
So the original price is $21 .
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Answer:
IDK if you still need this but it's A
Step-by-step explanation:
I just took the quiz and got it right :)
Answer:
C
Step-by-step explanation:
The volume (V) of a sphere is calculated using the formula
V =
πr³
If the radius is doubled, that is r = 2r , then
V =
π (2r )³
(2r)³ = 8r³, thus the volume is multiplied by 8