Praxis 5003 Practice Question
Which of the following numbers is equal to 15 + 3(7 + 1) - 12
Correct Answer: C
Rationale: To solve the expression 15 + 3(7 + 1) - 12, start by simplifying inside the parentheses: 7 + 1 equals 8. Next, multiply 3 by 8, resulting in 24. Then, add 15 to 24, which gives 39. Finally, subtract 12 from 39, yielding 27.
Option A (21) is incorrect as it underestimates the total. Option B (25) also fails to account for the full calculation. Option D (172) is far too high, indicating a misunderstanding of the order of operations. Thus, 27 is the accurate result.
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