SOLUTION: The sum of two numbers is 80. The larger number is nine less than three times the smaller. Find both numbers

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Question 360099: The sum of two numbers is 80. The larger number is nine less than three times the smaller. Find both numbers
Answer by CharlesG2(834) About Me  (Show Source):
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The sum of two numbers is 80. The larger number is nine less than three times the smaller. Find both numbers


let x = smaller number
let 3x - 9 = larger number

x + 3x - 9 = 80
4x - 9 = 80
4x = 89
x = 22.25 = smaller number
3x - 9 = 3(22.25) - 9 = 57.75 = larger number