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german
3 years ago
11

A shop offered a 20% discount off the regular price of a mirror. The amount of the discount is $3. What is the regular price of

the mirror?
Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
8 0
The equation for this would be 0.2x=3. Divide each side by 0.2 and you should get 15. That is the original price of the mirror.
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jolli1 [7]
I think this is right

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lana [24]
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From Pascal's Triangle (shown below), the coefficients of the expansion are
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n=0:                        1
n=1:                      1      1
n=2:                   1    2     1
n=3:                 1   3    3     1
n=4:               1   4   6    4     1
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Therefore the third term in the expansion is 
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