Susie can buy apples from two stores: a supermarket that sells apples only in bundles of 4, and a convenience store that

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Susie can buy apples from two stores: a supermarket that sells apples only in bundles of 4, and a convenience store that sells single, unbundled apples. If Susie wants to ensure that the total number of apples she buys is a multiple of 5, what is the minimum number of apples she must buy from the convenience store?

A. 0
B. 1
C. 2
D. 3
E. 4

Answer: A

Source: Manhattan GMAT

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If she buys 5 bundles of 4 apples from the supermarket, she needs 0,A apples from the convenience store

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Vincen wrote:
Thu Dec 02, 2021 8:27 am
Susie can buy apples from two stores: a supermarket that sells apples only in bundles of 4, and a convenience store that sells single, unbundled apples. If Susie wants to ensure that the total number of apples she buys is a multiple of 5, what is the minimum number of apples she must buy from the convenience store?

A. 0
B. 1
C. 2
D. 3
E. 4

Answer: A

Source: Manhattan GMAT
To answer this question, think of the lowest number possible, then move forward.

If I buy 0 from the convenient store, I will have to buy 5 bundles of 4 from the supermarket.
If I buy 1 from the convenient store, I will have to buy 1 bundle of 4 from the supermarket.

Since the question is the minimum number, we go with 0.