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UKMT Intermediate Mathematical Challenge, 2016

Algebra Difficulty 1.0 Junior Find the answer United Kingdom

The sum of two numbers $a$ and $b$ is $7$ and the difference between them is $2$ . What is the value of $a \times b$ ?

(A) $8\frac{1}{4}$ (B) $9\frac{1}{4}$ (C) $10\frac{1}{4}$ (D) $11\frac{1}{4}$ (E) $12\frac{1}{4}$

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