Solve the triangle. Round to the nearest tenth when neccesary or to the nearest minute as appropriate.​

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Ellie spent $88.79 at the computer stote. she had $44.50 left to buy a cool hat. how much money did she originally have? write and solve an equation to answer the question.

If the average of x,y and z is 15 what is their sum