Question40. $\frac{a}{b}=\frac{2}{5}$ бол $\frac{5 a+b}{b}=$ ?
лахин бага вэ?

Studdy Solution
Simplify the expression:
First, calculate $5\left(\frac{2}{5}b\right)$:
$$5 \times \frac{2}{5}b = 2b$$
Now substitute back:
$$\frac{2b + b}{b} = \frac{3b}{b}$$
Simplify $\frac{3b}{b}$ to get:
$$3$$
The value of $\frac{5a + b}{b}$ is:
$\boxed{3}$