Shirts are on sale 20% off! The original price of the shirt was $28.50. How much is the SALE PRICE of the shirt after the discount *

Solve the problem by making up an equation. a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 3 times the age of the child?

How do you write y-10=2 (x-8) in standard form

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.