【教学产品中心】SAT阶段测试_Test 4.docx

Josh has 690 in quarters and nickels if he has the

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16. Josh has \$6.90 in quarters and nickels. If he has the same number of quarters and nickels, how many quarters does Josh have? y + 3 = 2x 2 – 5x y – 3 = 6x x > 0 17. What is a value of x that satisfies the system of equations above? 18. Carlos runs directly towards Xiao at 15 miles per hour. Xiao walks directly toward Carlos at 3 miles per hour. If they meet after 20 minutes, how far apart were they, in miles, before they started moving? 19. When the positive integer u is divided by 12, the remainder is 8. What is the remainder for the quotient 10 12 u ? 2(a 3 + a 2 + 4a – 8) = 2a 3 + 4a 2 – 5a – 1 20. What is one possible value of a for the equation above?

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3. A tree is planted when it is 3 feet tall. If the tree's growth rate is linear, which of the following graphs could represent its yearly height? 4. For how many pairs of positive integers (x, y) is 3x + y < 8? 5. The scatterplot above shows the number of Monarch butterflies over a three-week period. Based on the line of best fit, which of the following values is closest to the average daily increase in the number of Monarch butterflies?

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