Problema Solution
The sum of two numbers is 100. One number decreased by twice the second number is 28. Find the two numbers.
Answer provided by our tutors
let 'x' and 'y' represent the numbers
The sum of two numbers is 100:
x + y = 100
One number decreased by twice the second number is 28:
x + 2y = 28
by solving the system of equations:
x + y = 100
x + 2y = 28
we find:
x = 172
y = -72
click here to see the step by step solution of the system of equations:
the two numbers are 172 and -72.