Source: Princeton Review
Before adding to her collection, Laura had 207 figurines stored in 9 boxes. After adding to her collection, she had 386 figurines in 12 boxes. What was the approximate percent increase in the average number of figurines per box?
A. 9%
B. 33%
C. 40%
D. 50%
E. 86%
The OA is C
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Before adding to her collection, Laura had 207 antique figurines stored in 9 boxes. After adding to her collection, she
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Please note that the word approximate typically tells us that we can use some estimation during the solutionBTGmoderatorLU wrote: ↑Sat Dec 18, 2021 6:00 pmSource: Princeton Review
Before adding to her collection, Laura had 207 figurines stored in 9 boxes. After adding to her collection, she had 386 figurines in 12 boxes. What was the approximate percent increase in the average number of figurines per box?
A. 9%
B. 33%
C. 40%
D. 50%
E. 86%
The OA is C
INITIAL SITUATION
207/9 = 23 figurines per box
AFTER ADDING TO COLLECTION
386/12 ≈ 32 figurines per box
Percent increase = (100)(new - old)/old
≈ (100)(32 - 23)/23
≈ (100)(9)/23
≈ 900/23
≈ 39
Answer: C
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