200-
150-
Lab books
100-
50-
0+
0 50 100 150 200
Workbooks
The shaded region shown models the possible
numbers of workbooks, x, and lab books, y, that a
school's science department can buy with $1,500.
Which of the following inequalities represents this
relationship
for x ≥ 0 and y ≥ 0 ?
A) 10x+15y≤ 1,500
B) 15x+10y ≤ 1,500
C) 100x + 150y ≤ 1,500
D) 150x + 100y ≤ 1,500