The Warm Muffin Bakery’s cookie sales are always 60 percent of its muffin sales. What would be the increase in The Warm

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BTGmoderatorDC: Moderator; Posts: 7187; Joined: Thu Sep 07, 2017 4:43 pmFollowed by: 23 members

by BTGmoderatorDC » Sat Sep 19, 2020 6:54 pm

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The Warm Muffin Bakery’s cookie sales are always 60 percent of its muffin sales. What would be the increase in The Warm Muffin Bakery’s cookie sales if its muffin sales increased from 10,000 to 20,000?

A. 10,000
B. 8,000
C. 6,000
D. 4,000
E. 2,000

OA C

Source: Princeton Review

Source: Beat The GMAT — Problem Solving | Sat Sep 19, 2020 6:54 pm

swerve: Legendary Member; Posts: 2604; Joined: Sun Oct 29, 2017 2:04 pmFollowed by: 6 members

Re: The Warm Muffin Bakery’s cookie sales are always 60 percent of its muffin sales. What would be the increase in The W

by swerve » Sun Sep 20, 2020 8:07 am

BTGmoderatorDC wrote: ↑
Sat Sep 19, 2020 6:54 pm
The Warm Muffin Bakery’s cookie sales are always 60 percent of its muffin sales. What would be the increase in The Warm Muffin Bakery’s cookie sales if its muffin sales increased from 10,000 to 20,000?

A. 10,000
B. 8,000
C. 6,000
D. 4,000
E. 2,000

OA C

Source: Princeton Review

Cookie sales are dependent on Muffin sales. Cookie sales are 60% of Muffin sales.

Case 1: Initial situation:

$10000 \cdot 60\% = 6000$

Case 2: When the situation changes:

$20000 \cdot 60\% = 12000$

So, Sales Increased by $12000 -6000 = 6000$.

Therefore, C

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