92 teachers and students took part in a recycling exercise 3/4 of the participants were students the teachers broight an equal number of soda cans each all students broight the same number of empty soda cans each student boight 1/5 as many empty soda cans as each teacher the difference between the empty soda cans brought by the teachers and the students was 138 how many teachers took part in the recycling exercise, how many empty soda cans were collected all together how many soda cans did each student bring