Problema Solution
The sum of three numbers is 85. The second is 7 more than the first. The third is 2 more than four times the second. find the numbers.
Answer provided by our tutors
Let
x = first number
y = second number
z = third number
We have the following system of equations
x + y + z = 85
y = x + 7
z = 2 + 4*y
and the solutions are
x = 8
y = 15
z = 62
The numbers are 8, 15 and 62.