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  • 22-02-2018
  • Mathematics
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A stack of 20 identical boxes the stack is 140cm take 3 of top how tall is the stack now

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makzfaith
makzfaith makzfaith
  • 22-02-2018
140/20=7 and 7*17=119
                       (17=20-3)
the answer is 119cm
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