Problema Solution

One number is 1 less than the second number. Twice the second number is 20 less than 4 time the first number. Find the smaller of the two numbers.

Answer provided by our tutors

let 'n' represent the first number, then 'n+1' represents the second number


2(n+1) = 4n-10

2n+2=4n-10

12=2n

n=6


6+1=7


the numbers are 6 and 7