Please help, all the info needed is in the picture below

Adaycare center charges a $75 enrollment fee plus $100 per week. which of the following represents the cost of sending a child to daycare for 14 weeks?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p