Question

3.5 times a positive number is equal to the sum of the positive number and 0.5 . What is the positive number?

Answer 1

let x = the number

3.5x = x + 0.5
3.5x - x = 0.5
2.5x = 0.5
x = 0.5/2.5
x = 0.2

therefore the number is 0.2