You sell lemonade for $2 a cup and orange juice for $3 a cup. you sell 100 cups for $240. write and solve a system of linear equations to find the number of cups of each sold.

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?