Need all answer for 20 points and brainliest!!!! Hurry

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