properties of ratio

1
=125piastres : 5pound
2
= 3m : 30cm
3
= 800gm : 1.6kg
4
If the side length 0f square is 4 cm . and the dimensions of a rectangle 2 and 8 cm , then the ratio between their areas
5
= 12kirates : 1feddans
6
= 2.5hours : 75minutes
7
= 1hour : 30minutes
8
= 400gm : 2kg
9
= 400cm : 3m
10
= 3m : 20dm
11
= 5weeks : 25days
12
= 18kirates : 2feddans
13
= 500pt : 15 le
14
= 2km : 800m
15

16