The company can’t sell the sofa after 3 weeks so they reduce the price to $320. What is thepercent decrease? show your work

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days