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5 October, 22:42

On Tuesday Shayna bought seven boxes.

On Wednesday half of all the boxes that she had were destroyed. On Thursday there were only 21 left. How many did she have on Monday?

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Answers (1)
  1. 5 October, 22:51
    0
    35

    Step-by-step explanation:

    Work backwards

    21x2=42

    42-7=35
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