Traditional Culture Encyclopedia - Tourist attractions - Two tour groups A and B go to a park. The fare is as follows: 1-50 people 13 yuan, 51-100 people 11 yuan, and more than 100 yuan 9 yuan

Two tour groups A and B go to a park. The fare is as follows: 1-50 people 13 yuan, 51-100 people 11 yuan, and more than 100 yuan 9 yuan

Solution: 1017÷9=113 people

Suppose A has x people, then B has 113-x people (x<50)

13x+11(113 -x)=1331

2x-1243=1331

x=44

113-44=69 people

Answer: respectively There are 44 people, 69 people.