6 is the mean of the three numbers given.
5 is.
The LCM is: 55
2
It is: 10
No it is not.
30
40
Assuming -5m=11:Divide both sides by -5: m= -11/5And you have what m equals.
37/7
30 - 11 = 19
Anton Heinrich Springer?
It is 2 : 5 : 7 or 1/7 : 5/14 : 1/2