Respuesta :

1. A 172/7 is 24.5714286  24.5714286 times 42 is 1032

2. C 40% of 60 is 24. 24+14 is 38. 60-38 is 22

3. D 80% is also called 8/10. 8/10 is 16/20. 20-16 is 4

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