Last year, 52 countries were represented at an international festival. This year, 100 more countries are being represented at the festival than last year. How
many countries are being represented this year?
countries

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?