Problema Solution
The sum of two numbers is 21. One number is 6 times the other. Find the numbers.
Answer provided by our tutors
let 'x' and 'y' be the numbers
the sum of two numbers is 21
x + y = 21
one number is 6 times the other
y = 6x
by solving the system of equations
x + y = 21
y = 6x
we find
x = 3
y = 18
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the numbers are 3 and 18.