Kylie spent $20 on rides and snacks at the state fair if x is amount you spent on rides and why is amount you spent on snacks the total amount you spend can be represented by the equation x + y equals

Kylie spent $20 on rides and snacks at the state fair if x is amount you spent on rides and why is amount you spent on snacks the total amount you spend can be represented by the equation x + y equals 20 is the relationship between X and Y linear is it proportional explain