Question

In each of the following pairs of numbers, find what percentage the first number forms of the scored.

(12) 280, 400

Answer 1

It can be expressed as $\frac{280}{400}$.
To find the percentage, we will use the fraction with denominator 100.
For that, we will divide the numerator and denominator by 4.
∴ $\frac{280}{400}=\frac{280÷4}{400÷4}=\frac{70}{100}$ = 70

Thus, 280 is 70% of 400.