Question
The ratio of $a$ to $b$ is $4: 3 .$ The sum of $a$ and $b$ is $14 .$ What is the ratio of $a-b$ to $a+b ?$
Step 1
We can write these as: \[ \frac{a}{b} = \frac{4}{3} \quad \text{and} \quad a + b = 14 \] Show more…
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