Reagan is reading a mystery novel. She has 3 chapters left to read, and each chapter contains 12 pages. The book has 342 pages i
n all. Which of the following gives the number of pages Reagan has already read?
1 answer:
12 × 3 = 36 (Pages left to read)
342 - 36 = 306
<span>342 + (-12) + (-12) + (-12)</span>
342 - 12 - 12 - 12
342 -36
306
342 - (12 × 3), 306, and 342 + (-12) + (-12) + (-12)
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