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Romashka [77]
3 years ago
12

Find the original price of a pair of shoes if the sale price is $20 after a 50% discount.

Mathematics
1 answer:
MrMuchimi3 years ago
7 0
The Original Price is $40

Explanation:
50 1 20
—- = — Which means ——
100 2 40

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How much interest will she earn in 3 years?
alekssr [168]
For this, the equation is 
90× 1.13³=y
X was replaced with y. Since she is gaining, you have to remember she is going to have 100 percent of what he had before, she will not lose any.
90× 1.13= 129.86
Now, we need to find the amount of interest she gained, so we have to subtract 90 from the total.
129.86-90=39.86
We can also find the answer by completing a small chart.
The first column will be the year. The second will be the amount. The third will be the interest for the year.
1                                                90                                                11.7
2                                                101.7                                           13.22
3                                                 114.92                                        14.94
The total would round to 39.86, so her interest for the 3 year would be 39.86, with her having 129.86 altogether.




7 0
3 years ago
Read 2 more answers
Zach has a terrarium with the dimensions of 20 by 8 and the terrarium was filled with 3 inches of sand.Zach gets a new terrarium
Vladimir79 [104]

Answer: the sand in the new terrarium is 2 inches deep.

Step-by-step explanation:

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The answer is D.

Hope it helps!
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3 years ago
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Genrish500 [490]
Answer number one : 1/6
3 0
3 years ago
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Finger [1]

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5+20=25

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