The average of three numbers is 40. First of them is two times of the seconds and the second is three time of the third. So, what is the difference between the largest and smallest number?

The average of three numbers is 40. First of them is two times of the

1.	The average of three numbers is 40. First of them is two times of the seconds and the second is three time of the third. So, what is the difference between the largest and smallest number?
A.	30
B.	36
C.	46
D.	60
Answer» E.

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