Source: Magoosh
Jennifer can buy watches at a price of B dollars per watch, which she marks up by a certain percentage before selling. If she makes a total profit of T by selling N watches, then in terms of B and T and N, what is the percent of the markup from her buy price to her sell price?
A. 100T/(NB)
B. TB/(100N)
C. 100TN/B
D. ((T/N) – B)/(100B)
E. 100(T – NB)/N
The OA is A
Jennifer can buy watches at a price of B dollars per watch, which she marks up by a certain percentage...
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Solution:BTGmoderatorLU wrote: ↑Tue Jul 21, 2020 5:21 amSource: Magoosh
Jennifer can buy watches at a price of B dollars per watch, which she marks up by a certain percentage before selling. If she makes a total profit of T by selling N watches, then in terms of B and T and N, what is the percent of the markup from her buy price to her sell price?
A. 100T/(NB)
B. TB/(100N)
C. 100TN/B
D. ((T/N) – B)/(100B)
E. 100(T – NB)/N
The OA is A
If we let m be the markup percentage, we can create the equation:
N * [B(1 + m/100) - B] = T
B + mB/100 - B = T/N
mB/100 = T/N
m = T/N * 100/B = 100T/(NB)
Answer: A
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