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South Carolina SAT Practice 9

Practice 9 for SAT learners in South Carolina: 25 questions, explained answers, and a review routine.

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Question 1

1

A substance starts at 160 g and halves each hour. How much remains after 3 hours?

Question 2

2

In the equation h = 120 - 8t, h is the amount of water in a tank after t minutes. What does 120 represent?

Question 3

3

Original passage: Mina expected the archive to settle the debate. Instead, the letters revealed that the two inventors had exchanged ideas for years. Which inference is best supported?

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