=3:5;
0. 16:0.8
= 16:80
= 1:5;
Three quarters: five twelfth
=9:5;
3.6:4.2
=36:42
=6:7;
60 kg: 0.8 ton
=60:800
=3:40;
42 minutes: 2 o'clock
=42: 120
=7:20;
Second:
2 1: 105
=2 1:2 1×5
= 1:5;
7.2:0.42
=7.2× 100:0.42× 100
=720:42
= 120:7;
Five out of six: four out of nine.
=5/6× 18:4/9× 18
= 15:8
0.08:2
=0.08× 100:2× 100
=8; 200
= 1:25;
Three out of nineteen: 76
= 19/3:76
= 19/3: 19×4
= 1/3:4
= 1: 12;
3.75:0.625
=3.75× 1000:0.625× 1000
=3750:625
=750: 125
= 150:25
=6: 1
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Not bad, al