Tina can complete a piece of work in 10 days. Mina is $$ 33 {1 over3}$$% less efficient than Tina. How many days are required to both to complete the work.

Tina can complete a piece of work in 10 days. Mina is $$ 33 {1 over3}$

1.	Tina can complete a piece of work in 10 days. Mina is $$ 33 {1 over3}$$% less efficient than Tina. How many days are required to both to complete the work.
A.	8 days
B.	6 days
C.	12 days
D.	10 days
E.	None of these
Answer» C. 12 days

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Tina can complete a piece of work in 10 days. Mina is $$ 33 {1 over3}$$% less efficient than Tina. How many days are required to both to complete the work.

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