Respuesta :

85/100
85 ÷ 5 = 17
100 ÷ 5 = 20
17 × 2 = 34
20 × 2 = 40.

The anwser is 40
Hope that helped :3
85/100
85 ÷ 5 = 17
100 ÷ 5 = 20
17 × 2 = 34 then 20 × 2 = 40