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A shirt goes on sale for 80% of its original price. One week later, the sale price is marked down 10%. The final price

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A shirt goes on sale for 80% of its original price. One week later, the sale price is marked down 10%. The final price

by Vincen » Tue Apr 28, 2020 8:06 am

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A shirt goes on sale for 80% of its original price. One week later, the sale price is marked down 10%. The final price is what percent of the original price?

A. 72%
B. 70%
C. 52%
D. 50%
E. 28%

[spoiler]OA=A[/spoiler]

Source: Manhattan GMAT
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Re: A shirt goes on sale for 80% of its original price. One week later, the sale price is marked down 10%. The final pri

by deloitte247 » Thu Apr 30, 2020 9:01 am
Let original price = x

Given that the initial sale price = 80% of x
One week later, sales price is MARKED DOWN by 10%

Target question => The final price is what percentage of the original price?

When an item is marked down, the marked down percentage is subtracted from 100%
Therefore, the sales price was worked down by (100 - 10)%
= 90% = 90/100 = 0.9

Hence, the final price after the markdown
= 0.9 * (80% of x)
= 72% of x

Answer = A
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Re: A shirt goes on sale for 80% of its original price. One week later, the sale price is marked down 10%. The final pri

by Scott@TargetTestPrep » Fri May 01, 2020 3:24 am
Vincen wrote: ↑
Tue Apr 28, 2020 8:06 am
 A shirt goes on sale for 80% of its original price. One week later, the sale price is marked down 10%. The final price is what percent of the original price?

A. 72%
B. 70%
C. 52%
D. 50%
E. 28%

[spoiler]OA=A[/spoiler]

Source: Manhattan GMAT
If the original price is n, the final price is 0.8n * 0.9 = 0.72n.

Answer: A

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