Discussion
Evaluate: \(1.07 \times 65 + 1.07 \times 26 + 1.07 \times 9\)
Answer: B
Take out the common factor.
\[ 1.07(65 + 26 + 9) = 1.07 \times 100 \]
\[ = 107 \]
The three numbers were chosen to total exactly 100, which is what makes the factorisation worth spotting.
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