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2019 Math Kangaroo

Problem 8

Problem 8 · 2019 Math Kangaroo Easy
Arithmetic & Operations work-backward

Which number goes into the field with the question mark, if all calculations are solved correctly?

Figure for Math Kangaroo 2019 Problem 8
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Answer: B — 5
Show hints
Hint 1 of 2
Start at START and follow each small calculation step by step into the next box.
Still stuck? Show hint 2 →
Hint 2 of 2
Fill the boxes in order; the value flowing into the question-mark box is the answer.
Show solution
Approach: follow the calculation chain
  1. Begin from START and apply each operation along the path.
  2. Work box by box, carrying each result into the next calculation.
  3. The value that lands in the question-mark box is 5 (B).
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