tolong nomor 36-37!!Jawab dengan benar

jawaban + cara nomor 36

36) A
= (60 × 5) + (70 × 4) + (75 × 4) + (80 × 2) + (90 × 3) / 5 + 4 + 4 + 2 + 3
= 300 + 280 + 300 + 160 + 270 / 18
= 1.310 / 18
= 72,78

37) D
= 20 + 30 + 30 + 50 + 60 / 5
= 190 / 5
= 38