SOLUTION: The sum of three numbers is 20. The second number is 4 times the first, and the sum of the first and third is 8. Find the numbers, How do you make these equations?

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: The sum of three numbers is 20. The second number is 4 times the first, and the sum of the first and third is 8. Find the numbers, How do you make these equations?      Log On


   

Question 159311: The sum of three numbers is 20. The second number is 4 times the first, and the sum of the first and third is 8. Find the numbers,
How do you make these equations?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
f="1st number", s="2nd number", and t="3rd number"

"The sum of three numbers is 20" __ f+s+t=20

"The second number is 4 times the first" __ s=4f

"the sum of the first and third is 8" __ f+t=8