0.2÷ 1 then × both by 100 to change it to 20/100 then simplify by ÷5 which equals 4/20.
31. 4/20 to 1/5
0.24 × 100= 24
1×100 = 100
simplify 24 ÷ 4= 6 then 100÷4= 25
34. 6/25
-0.1 ×100= -10
1×100=. 100
simplify -10÷2=-5 then 100÷ 2= 50
32. -5/50 to -1/10
Just do that for 33, 35 and 36