#6 Find Value of X . Round answer to nearest tenth.

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

How much orange juice do you need to make 2 servings of lemony orange slush?

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?