Respuesta :

16:

15 x 10 = 150

15 x 5 = 75 x 1/2 = 37.5

37.5 + 150 = 187.5

A = 187.5

17:

10 x 10 = 100

8 x 10 = 80 x 1/2 = 40

8 x 10 = 80 x 1/2 = 40

100 + 40 + 40 = 180

A = 180