Full-Length 7th Grade ACT Aspire Math Practice Test-Answers and Explanations

44- The answer is 600
\(4\%\) of the volume of the solution is alcohol. Let \(x\) be the volume of the solution.
Then: \(4\%\) of \(x = 24\) ml ⇒ \(0.04 x = 24 ⇒ x = 24 ÷ 0.04 = 600\)

45- The answer is 9
Write the numbers in order: 4, 5, 8, 9, 13, 15, 18
Since we have 7 numbers (7 is odd), then the median is the number in the middle, which is 9.

46- The answer is 97.6
Use the area of the square formula. \(S = a^2 ⇒ 595.36 = a^2 ⇒ a = 24.4\), One side of the square is 24.4 feet. Use the perimeter of the square formula.
\(P = 4a ⇒ P = 4(24.4) ⇒ P = 97.6\)

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