Question

Half of 40+half of 30 =?​

Answer 1

$\frac{40}{2} + \frac{30}{2} \\ 20 + 15 \\ = 35$

Answer 2

$\frac{1}{2} \times 40 + \frac{1}{2} \times 30 \\ = 20 + 15 \\ = 35$