Problema Solution
Janice is thinking of two numbers. She says that two times the first number plus the second number is 47. in addition, the first number plus three times the second number is 81. Find the numbers.
Answer provided by our tutors
let 'x' and 'y' represent the two numbers
She says that two times the first number plus the second number is 47:
2x + y = 47
in addition, the first number plus three times the second number is 81:
x + 3y = 81
by solving the system of equations:
2x + y = 47
x + 3y = 81
we find:
x = 12
y = 23
click here to see the step by step solution of the system of equations:
the two numbers are 12 and 23.