Thomas has 25 drawings to display. 14 of the drawings were made using colored pencils. 7 of the drawings were made using blending markers. The rest of the drawings were made with charcoal. How many are charcoal drawings?
Thoughts? Step-by-step reasoning:
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Thomas made 14 + 7 = 21 colored pencil and blending marker drawings. Thomas made 25 total drawings – 21 colored pencil and blending marker drawings = 4 charcoal drawings.
Thus, the answer is 4.
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