Free SAT Practice Questions

Question 1 of 1
ID: SAT-HOA-3
Section: Math - Heart of Algebra
Topics: Heart of Algebra; Graphic Interpretation
Difficulty level: Challenging

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sat-hoa-3-1

The graph above represents the number of units produced by Jack and Mary. If they start the work at the same time, based on the above graph, which of the following statements is true? (With calculator)

AThe rate of production of Jack equals that of Mary but completed the work earlier than Mary.
BThe rate of production of Jack equals that of Mary but completed the work later than Mary.
CThe rate of production of Jack is four times that of Mary but completed the work later than Mary.
DThe rate of production of Jack is four times that of Mary and completed the work earlier than Mary.