Question

I need help on this I don't understand it at all

Answer 1

The answer is 157 because you do 12 x 16 which is the shaded region and the unshaded region and you get 192. Then you do 7 x 5 which is not the shaded region and it equals 35.Now you do 157-35 and then you get 157

Answer 2

Oh u have to use 16times 12 and-
5×7 and u got hte answer