Question

Given that 4x:9=7:9 calculate the value of x​

Answer 1

Answer:

4x / 9 = 7 / 9

4x = 9 × 7 / 9

4x = 7

x = 7/4

x = 1.75

Answer 2

Answer:

$4x:9=7:9 \\ \frac{4x}{9} = \frac{7}{9} \\ 4x = \frac{7}{9} \times 9 \\ x = \frac{7}{4}$