SOLUTION: The sum of three numbers is 20. The second number is 4 times the first, and the sum of first and third is 8. And we are solving system of equations so all I needed was the three eq

Algebra ->  Rational-functions -> SOLUTION: The sum of three numbers is 20. The second number is 4 times the first, and the sum of first and third is 8. And we are solving system of equations so all I needed was the three eq      Log On


   

Question 508949: The sum of three numbers is 20. The second number is 4 times the first, and the sum of first and third is 8. And we are solving system of equations so all I needed was the three equations
Thank you
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
"The sum of three numbers is 20" ___ a + b + c = 20

"The second number is 4 times the first" ___ b = 4a

"the sum of first and third is 8" ___ a + c = 8