In her position as a real estate agent, Sarah receives a

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Source: Veritas Prep

In her position as a real estate agent, Sarah receives a bonus for each sale she makes. Last week, she earned a $4,000 bonus, which decreased her average bonus amount to $4800. If this represents a decrease of 4%, how many sales has Sarah made?

A 4
B. 5
C. 8
D. 16
E. 25

The OA is B

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by Scott@TargetTestPrep » Sun May 12, 2019 6:10 pm
BTGmoderatorLU wrote:Source: Veritas Prep

In her position as a real estate agent, Sarah receives a bonus for each sale she makes. Last week, she earned a $4,000 bonus, which decreased her average bonus amount to $4800. If this represents a decrease of 4%, how many sales has Sarah made?

A 4
B. 5
C. 8
D. 16
E. 25

The OA is B

The old average was 4800/0.96 = 5,000. We can let n = the number of sales she made and create the equation:

[5000(n - 1) + 4000]/n = 4800

5000n - 5000 + 4000 = 4800n

200n = 1000

n = 5

Answer: B

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