Graphing Systems of Equations 1. BUSINESS The widget factory will sell a total of
y widgets after x days according to the equation
y = 200x + 300. The gadget factory will sell y gadgets
after x days according to the equation y = 200x + 100.
Look at the graph of the system of equations and
determine whether it has no solution, one solution, or
infinitely many solutions.
y
900
200x1300l Widaots
Is there no solution?

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?