If the work done by (x - 3) men in (2x + 1) days and the work done by (2x + 1) men in (x + 4) days are in the ratio 3 ∶ 10, then what is the value of x?

If the work done by (x - 3) men in (2x + 1) days and the work done by

1.	If the work done by (x - 3) men in (2x + 1) days and the work done by (2x + 1) men in (x + 4) days are in the ratio 3 ∶ 10, then what is the value of x?
A.	3
B.	6
C.	9
D.	12
Answer» C. 9

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If the work done by (x - 3) men in (2x + 1) days and the work done by (2x + 1) men in (x + 4) days are in the ratio 3 ∶ 10, then what is the value of x?

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