If i made 32 brownies and sold 30 brownies , I would have sold ___cookies. Help i need to put this in a fraction

Yosef can eat 21 jamuns while rose can eat just 15 . complete the blank. yosef can eat % more jamuns than rose.

The surface area of the triangular prism is .

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?