Question

2 rational number between 4 and 8​

Answer 1

5 and 6 are to rational numbers between 4 and 8.

Answer 2

Formula...

$d = \frac{y - x}{n + 1}$

$d = \frac{8 - 4}{2 + 1}$

$d = \frac{4}{3}$

Rational numbers are....

$x + d = 4 + \frac{4}{3}$

$\: \: \: \: \: \: \: \: = \frac{16}{3}$

$x + 2d = 4 + 2 \times \frac{4}{3}$

$\: \: \: \: \: \: = 4 + \frac{8}{3}$

$\: \: \: \: \: \: \: \: = \frac{20}{3}$