Question

1. $3m div \frac{2}{5}; m = \frac{2}{3}$

Explanation:

Step1: Substitute m value

Substitute $m=\frac{2}{3}$ into the expression.
$3\times\frac{2}{3} \div \frac{2}{5}$

Step2: Simplify the multiplication

Calculate $3\times\frac{2}{3}$.
$3\times\frac{2}{3} = 2$

Step3: Rewrite division as multiplication

Replace division with reciprocal multiplication.
$2 \times \frac{5}{2}$

Step4: Simplify the final product

Cancel common factors and compute.
$2 \times \frac{5}{2} = 5$

Answer:

5