a)
40%=88
100%=x
0,4x=88
x=220 dag
-------------------------
60%=150
100%=x
0,6x=150
x=250
-------------------------
80% = 80 dag
x=100 dag
b)
3%=2,4
100%=x
0,03x=2,4
x=80 kg
-------------------------
7%=63
x= 900kg
-------------------------
8% to 72 kg
x= 900 kg
c)
150 % to 450 km
x= 300 km
----------------
220 % to 66 km
x= 30 km
----------------
110 % to 99 km
x= 90 km
d)
35 % to 105 m
x= 300 m
-------------------
55 % to 110 m
x= 200 m
-------------------
15 % to 300 m
x= 2000 m