Problema Solution
the sum of three numbers is 65. one number is five more than a second number it is also twice the third numbers
Answer provided by our tutors
let the numbers be x, y and z
the sum of three numbers is 65
x + y + z = 65
one number is five more than a second number
x = 5 + y
it is also twice the third numbers
x = 2z
by solving the system of equations
x + y + z = 65
x = 5 + y
x = 2z
we find
x = 28
y = 23
z = 14
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the numbers are 28, 23 and 14.