Question

The sum of two numbers is 70.4. One of the numbers is 9 times the other. What are the two numbers?

Answer 1

let x and y are two numbers ,

according to question,
x + y = 70.4

again,
x = 9y put this in above equation ,

y + 9y = 70.4
10y = 70.4
y = 7.04

and x = 9y = 9(7.04) = 63.36

hence ,

7.04 and 63.96 are two numbers .

Answer 2

This is the answer is in one variable...