Out of three numbers, the first is thrice of the second and is half of the third. If the average of the three numbers is 80, then Find the difference of the first and second number.
1
50
2
48
3
45
4
51
Out of three numbers, the first is thrice of the second and is half of the third. If the average of the three numbers is 80, then Find the difference of the first and second number.