Enter an algebraic expression to model the given context. Give your answer in simplest form. The original price p of an item less a discount of 15%.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.