Question

the mean of three numbers is 25. the second number is four less than twice the first. the third number is two more than four times the first. find the smallest number.

help!

Answer 1

Hoot! You just asked your first question! Hang tight while I find people to answer it for you. You can thank people who give you good answers by clicking the 'Good Answer' button on the right!

Answer 2

Let the three numbers be \(x,y,z\)
Then:
1) \((x+y+z)/3=25\)
2) \(y=2x-4\)
3) \(z=4x+2\)
Try to substitute 2) and 3) to 1) and solve it for x.

Answer 3

the lowest number is 11?

Answer 4

I don't know, I didn't work this problem till the end :D. What are the x,y,z that you got?

Answer 5

x-11
y-18
z-46

Answer 6

Great job! :D

Answer 7

thanks!