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foriegnngal
11.12.2019 •
Mathematics
Pl m with this question im desperate
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Ответ:
The original price of object is $20
Step-by-step explanation:
Given : An object is sold for a price with a 7% tax. The final price is then $21.40.
We have to find the original price.
Since the final price includes the original price and tax paid.
So $ 21.40 includes original price and tax paid.
Let original price is x, then
Tax paid is 7% of original price that is![\frac{7}{100}\times x](/tpl/images/0110/9233/fdacf.png)
Thus,![\frac{7}{100}\times x+x=21.40](/tpl/images/0110/9233/0a5d2.png)
Simplify, for x,
we have,
Divide both side by 1.07 . we have,
x = 20
Thus, the original price of object is $20