The average of 3 numbers is 17. The third number is 4/3 times the second number and the first number is one less than twice that of the second number. Find the difference between the first and the third number.
1
7
2
12
3
9
4
5
The average of 3 numbers is 17. The third number is 4/3 times the second number and the first number is one less than twice that of the second number. Find the difference between the first and the third number.