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zapata12
30.07.2019 •
Mathematics
Jeanette purchased a concert ticket on a web site.the original price of the ticket was $75.she used a coupon code to receive a 20% discount.this website applied a 10% service fee to the discounted price.jeanette ticket was less than the original price by what percent?
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Ответ:
Find discounted price.
Discounted $= original $ - (original $ * % discount)
Discounted $= $75 - ($75 * 20%)
Discounted $= 75 - 15
Discounted $= $60
STEP 2:
Find discounted $ plus service fee.
Price plus fee= discounted $ + (discounted $ * service fee %)
Price plus fee= $60 + ($60 * 10%)
Price plus fee= 60 + 6
Price plus fee= $66
STEP 3:
Find % change.
% change formula= (new # - original #) ÷ original # x 100
% change= (66-75)÷ 75 x 100
% change= -9 ÷ 75 x 100
% change= -0.12 x 100
% change= -12%
***the negative indicates a decrease
ANSWER: Her ticket was less than the original by 12%.
Hope this helps! :)
Ответ:
The required value of c is -192.
Step-by-step explanation:
We are given the differential equation:
The solution to the given differential equation is:
Initial condition:
Putting the values, in the solution, we get,
Thus, the required value of c is -192.