Modded SAT Question Bank
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Test
Math
Domain
Problem-Solving and Data Analysis
Skill
Ratios, rates, proportional relationships, and units
Difficulty
Hard
ID: 3f775bbf
Modded SAT Question Bank by Abdullah Mallik
 
StatePower capacity
LowMediumHighTotal
Texas4239
California1012
Oregon1012
Indiana0202
Colorado1102
Iowa2002
Oklahoma1001
Total105520

The table shows the distribution, by location and power capacity (maximum rate of power generation) of the twenty largest wind projects in the United States in 2013. The total power capacity of the nine wind projects located in Texas was 4,952 megawatts (MW), and the total power capacity of the twenty wind projects was 11,037 MW in 2013. The amount of energy produced in one hour at a rate of one megawatt is one megawatt-hour. If each of the nine Texas wind projects in 2013 had operated continuously for 24 hours at the maximum rate of power generation, approximately how many megawatt-hours of energy would the nine projects have produced?

  1. 200

  2. 5,000

  3. 11,000

  4. 120,000

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Correct Answer: D
Rationale

Choice D is correct. It’s given that the total power capacity of the nine wind projects in Texas was 4,952 megawatts. Therefore, if all nine Texas projects operated continuously for 1 hour, the amount of energy produced would be 4,952 megawatt-hours. It follows that, if all nine Texas projects operated continuously for 24 hours, the amount of energy produced, in megawatt-hours, would be 4,952 times 24, equals 118,848, which is closest to 120,000.

Choice A is incorrect. This is approximately the amount of energy produced for the nine projects divided by 24 hours. Choice B is incorrect. This is approximately the amount of energy produced for the nine projects. Choice C is incorrect. This is approximately the given amount of energy produced for all twenty projects in the table.

Question Difficulty: Hard
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