Решите пожалуйста))Очень надо)))))))

1/5,0.2,20%)1/4,0.25,25%)3/4,0.75,75%)1/25,0.04,4%)1/20,0.05, 5%)1/50,0.02,2%)1/8,0.125,12.5%)1/12.5,0.08,8)1/10,0.1,10%