John used 3.75 gallons of paint to cover 431.25 square feet of wall. how much wall did he cover with each gallon?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?