Ally bought 5 different cakes for her birthday. His friends ate 3 1/4 of the amount of cake he asked for. Then he sent cas 1/2 a cake with his grandmother. How much cake does Ally have left?

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?

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (–39)