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Question
Find a single machine that will do the same job as the given hook-up.
a (× 24) machine followed by `(xx (1/2)^2)` machine.
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Solution
(× 24) machine followed by `(xx (1/2)^2)` machine.
So, it produces `2 xx 2 xx 2 xx 2 xx 1/2 xx 1/2 = 4`
Hence, (× 22) single machine can do the same job as the given hook-up.
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