Question 1196837
40 * x + 5 * x
(40 + 5) * x
simplify the expression to get 45 * x
first expression treats day pass and round trip ticket separately.
40 is the cost of the one day pass, 5 is the cost of a round trip ticket.
second expression factors out the common value from each term.
third expression combines like terms.
not sure what grade you're in, but here's some references you might find useful.
<a href = "https://www.mathsisfun.com/algebra/factoring.html" target = "_blankk">https://www.mathsisfun.com/algebra/factoring.html</a>
<a href = "https://www.mathsisfun.com/algebra/like-terms.html" target = "_blank">https://www.mathsisfun.com/algebra/like-terms.html</a>