Question

3. Find the value of x :
(a) 21:28 = x: 52​

Answer 1

the value of x is

21×28/52=x

11.30..=x

Answer 2

21 : 28 = X : 52

21 × 52 = 28 × X

$x = \frac{21 \times 52}{28}$

$x = 39$