Problema Solution
Janice is thinking of two numbers. she says that two times the first number plus the second number is 56. In additiion, the first number plus three times the second number is 78. Find the numbers
Answer provided by our tutors
let 'x' represent the first number and 'y' the second number
2x + y = 56
x + 3y = 78
solving this system of equations, we have:
x = 18
y = 20
the numbers are 18 and 20