Belt Puzzle - Solution
The Puzzle:
A magic rectangular belt always shrinks its length to 1/2 and width to 1/3 whenever its owner wishes something.
After three such wishes, its surface was 4 cm2.
What was the original length, if the original width was 9 cm?
After three such wishes, its surface was 4 cm2.
What was the original length, if the original width was 9 cm?
Our Solution:
The original length of the belt was 96 cm.
96×9 became 48×3, then 24×1, then 12×(1/3)
96×9 became 48×3, then 24×1, then 12×(1/3)
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