286
RCMultiple Choice
Unit Summary — Cumulative exam
Question 286 • Career Explorations - EL3401
A graph titled Cost of Erasers. The x-axis shows the number of erasers, numbered 1 to 9, and the y-axis shows the total cost in dollars, numbered 0.5 to 4.5. Blue diamonds appear at points (1, 0.5), (2, 1), (3, 1.5), (4, 2), (5, 2.5), (6, 3), (7, 3.5), (8, 4), (9, 4.5).
Answer
A
Each eraser costs $1.00.B
Each eraser costs $1.50.C
Three erasers cost $6.D
Seven erasers cost $3.50.