, 23.11.2019 01:31 jagger68

# 3. mr. sanchez’s class sold fruit pies for \$1.55 each and mr. kelly’s class sold bottles of fruit juice for \$1.40 each. together, the classes sold 60 items and earned \$88.20 for their school. write and solve a system of equations that model the problem. show all your work.

### Another question on Mathematics

Mathematics, 21.06.2019 18:00
Need on this geometry question. explain how you did it.
Mathematics, 21.06.2019 19:00
Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?