SSAT Math Question 247: Answer and Explanation
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Question: 247
1. Peter has x marbles more than Lewis. Lewis has 9 marbles. How many marbles does Peter have?
- A.
- B. 9 – x
- C.
- D. 9 + x
Correct Answer: D
Explanation:
The answer is D
More than means addition. If Peter has x marbles more than Lewis has, and Lewis has 9, Peter has 9 + x.
Plug in a number for x, such as 2. If Peter has 2 more marbles than Lewis has, Peter has 11. Only choice (D) will yield 11 when 2 is plugged in.