-2 2/5 multiplied by 4 3/8

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?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is