Teachers and students of Class 7 (1) and Class 7 (2) of a certain school went on a trip. Class 71 has 6 teachers and 32 students; Class 72 has 4 teachers and 25 students.

The teachers and st

Teachers and students of Class 7 (1) and Class 7 (2) of a certain school went on a trip. Class 71 has 6 teachers and 32 students; Class 72 has 4 teachers and 25 students.

The teachers and students of Class 1 and Class 2 of Year 7 went on a trip. The first class has 6 teachers and 32 students; the second class has 4 teachers and 25 students. The travel expenses for teachers are m yuan per person and the expenses for students are n yuan per person. Because the discount is given to groups, teachers receive a 20% discount and students receive a 40% discount. Question: How much did teachers and students spend on this trip? Calculate the total cost when m=40, n=30.

Answer: The amount of money spent by teachers and students *** is (4+6 )m×80%+(32+25)×n×60%=(8m+32.4n) yuan.

When m=40, n=30,

Original formula = 8×434.2×30=1346 yuan.

Answer: Teachers and students spent *** 1,346 yuan on this trip