Question

3. ½ of 50 – ¼ of 60 = _______​

Answer 1

$\frac{1}{2} \: of \: 50 - \frac{1}{4} \: of \: 60 \\ 25 - 15 = 10$

Answer 2

½ of 50 - ¼ of 60

= (½ of 50)-(¼ of 60)

= (½×50)-(¼×60)

= (50/2)-(60/4)

= 25-15

= 10

so the answer is

½ of 50 - ¼ of 60 = 10.

hope it helps.