Step-by-step explanation: If each shirt cost 9.50 you would multiply that by how many shirts you have plus the one time fee of 22.50 you would get the equation y= 9.5x + 22.5
If Kevin is 6 years older than Daniel, but also 4 times as old a him, just divide 6 by 4. Your answer is going to be that Daniel is 1 and a half years old
