Joey works at a clothing store and receives an employee discount of $10$ percent off the regular price of any item.

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M7MBA: Moderator; Posts: 2058; Joined: Sun Oct 29, 2017 4:24 amFollowed by: 5 members; Thanked: 1 times

by M7MBA » Tue Oct 20, 2020 5:58 am

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Joey works at a clothing store and receives an employee discount of $10$ percent off the regular price of any item. What is the regular price of an item that Joey purchases for $\$99?$

A. $\$89.10$
B. $\$108.90$
C. $\$109.00$
D. $\$109.90$
E. $\$110.00$

Answer: E

Source: Princeton Review

Source: Beat The GMAT — Problem Solving | Tue Oct 20, 2020 5:58 am

deloitte247: Legendary Member; Posts: 2214; Joined: Fri Mar 02, 2018 2:22 pmFollowed by: 5 members

Re: Joey works at a clothing store and receives an employee discount of $10$ percent off the regular price of any item

by deloitte247 » Sun Oct 25, 2020 8:20 am

Let regular price = r
Discount = 10% of r
Selling price = (100 - 10) = 90% of r
If Joey purchases an item for $99
Therefore, 90% of r = 99
0.9r = 99
r = 99/0.9 = $110
Answer = E

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Scott@TargetTestPrep: GMAT Instructor; Posts: 8246; Joined: Sat Apr 25, 2015 10:56 amFollowed by: 29 members; Location: Los Angeles, CA; Thanked: 43 times

Re: Joey works at a clothing store and receives an employee discount of $10$ percent off the regular price of any item

by Scott@TargetTestPrep » Sun Oct 25, 2020 1:44 pm

M7MBA wrote: ↑
Tue Oct 20, 2020 5:58 am
Joey works at a clothing store and receives an employee discount of $10$ percent off the regular price of any item. What is the regular price of an item that Joey purchases for $\$99?$

A. $\$89.10$
B. $\$108.90$
C. $\$109.00$
D. $\$109.90$
E. $\$110.00$

Answer: E

Solution:

We can let n = the regular price of the item and create the equation:

0.9n = 99

n = 99/0.9 = 110

Answer: E

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