Question

which is the most accurate way to estimate 69% of 92?
$\frac{7}{10} \times 89$
$\frac{7}{10} \times 90$
$\frac{1}{5} \times 90$
$\frac{1}{5} \times 89$

Explanation:

Step1: Approximate percentage

$69\%$ is close to $\frac{7}{10}$ (since $\frac{7}{10}=70\%$).

Step2: Approximate number

$92$ is close to $90$.

Answer:

$\frac{7}{10}\times90$