SAT Math Multiple Choice Question 535: Answer and Explanation

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Test Information

Question: 535

10.

Julia and Ravi are meeting at a museum. The figure above represents the drives from their homes to the museum. Based on the figure, which of the following statements is true?

  • A. Julia drove to the museum at a faster speed than Ravi.
  • B. Julia and Ravi drove to the museum at about the same speed.
  • C. It took Ravi longer to arrive at the museum because his home is farther away.
  • D. It took Julia longer to arrive at the museum because her home is farther away.

Correct Answer: A

Explanation:

A

Difficulty: Hard

Category: Heart of Algebra / Linear Equations

Strategic Advice: Sometimes, adding numbers to a graph will help you answer a question.

Getting to the Answer: Add reasonable numbers to the graph such as the ones shown in the following example:

Use the numbers to help you evaluate each statement. It took Julia and Ravi each 25 minutes to drive to the museum, so you can eliminate C and D. Julia drove 20 miles in 25 minutes, while Ravi only drove 15 miles in 25 minutes; their rates are not the same, so B is not correct. This means (A) must be correct. Julia starts out farther away than Ravi, so Julia must have driven at a faster speed than Ravi to arrive at the museum in the same amount of time.

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