总费用为 600+100+250+50+200 = 1200元
食品600元,占600÷1200 = 0.5 = 50%;
水电气100元,占100÷1200 = 0.083 = 8.3%;
服装250元,占250÷1200 = 0.208 = 20.8%;
书报50元,占50÷1200 = 0.042 = 4.2%;
其他200元,占200÷1200 = 0.167 = 16.7%.
总费用为 600+100+250+50+200 = 1200元
食品600元,占600÷1200 = 0.5 = 50%;
水电气100元,占100÷1200 = 0.083 = 8.3%;
服装250元,占250÷1200 = 0.208 = 20.8%;
书报50元,占50÷1200 = 0.042 = 4.2%;
其他200元,占200÷1200 = 0.167 = 16.7%.