A caterer is making cookie trays for upcoming holiday parties. This morning, she made 3 small trays and 2 large trays, which contain a total of 133 cookies. In the afternoon, she made 5 small trays and 4 large trays, which contain a total of 290 cookies. How many cookies do the different sized trays contain?

1 answer

3S+2L = 133
5S+4L = 290
Now solve as usual