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.