Admission to the Chesterfield County Fair is $10. Once you are inside, it costs x dollars to go on each ride. When Naomi went to the fair last weekend, she went on 4 rides. Pick all the expressions that represent how much Naomi spent at the fair.
Our base cost to enter is 10 dollars, and it is 4 dollars for each ride. Therefore, 10 dollars + 4(number of rides) = our total cost that Naomi spent at the fair.