B. An Archimedean screw is a screw within a closely htting cover, so that water can be raised when the screw is turned. Suppose the screw has a
mechanical advantage of 12.5. If the screw is turned several times, so
that the input distance is 1.57 m, how much has water been lifted up-
ward by the screw?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Sum is 17 and their difference is 3

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