Question

The mean of three numbers is 10 more than the least of the numbers and 15 less than the greatest. The median of the three numbers is 5. What is their sum?

Answer 1

Bro Here Is Your Answer (≧∇≦)

given: x+y+z/3=m

given: x+y+z/3=my=5;

given: x+y+z/3=my=5;m=x+10;x=m-10;

given: x+y+z/3=my=5;m=x+10;x=m-10;z=m+15

given: x+y+z/3=my=5;m=x+10;x=m-10;z=m+15sub in above give eq u will get m= 10;

given: x+y+z/3=my=5;m=x+10;x=m-10;z=m+15sub in above give eq u will get m= 10;sub in x, y, z =0,5,25=total=30