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.有多少个人在吃午饭?A lot of people are having lunch .Four people are

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.有多少个人在吃午饭?A lot of people are having lunch .Four people are drinking a bowl of water .Two are eating a bowl of rice .Three are eating a bowl of meat .They need 52 bowls .How many people are there?
设有x个人 4个人喝一碗水,那喝水的碗的个数是:x÷4 2个人吃一碗饭,吃饭的碗的个数是:x÷2 3个人吃一碗肉,吃肉的碗的个数是x÷3 x/4+x/2+x/3=52 6x+12x+8x=1248 x=48 一共48个人