Neelam with her friend go to attend her tuition class Neelam walks 2/8 of a kilometre to friend's house. after that she walks 3/8 of a kilometre to reach the tuition class. how far does she walk in all?

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?