Help me with this answer please i beg you

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?

Can someone me with my math problem pls my teacher is on my back about this

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read