Answer:
1. 23/100
2. 7/100
3. 54/100
4. 7/10
5. 12/25
1. yes
2. no - 9/10 = 0.9 or 0.09 = 9/100
3. yes
4. yes
5. no - 31/50 = 0.62 or 13/25 = 0.52
1. 5/10 or 1/2
2. 56/100 or 23/50
3. 58/100 or 29/50
4. 0.75
5. 0.8
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