Question

Hi I've been having problems with this question. I need to get it done by tonight.

320÷b∙20 and 320÷(b∙20) for b=4

Answer 1

First one equals 16, second equals 4

Explanation:

b*20=20b

320/20=16

Second

320/(b*20)

Replace b with 4 so it would be 320/(4*20)

4*20=80, 320/80=4