Lorenzo bought 15 / 16 pounds of ground beef. he wants to make hamburgers that weigh 3 / 16 pounds each. how many hamburgers can he make?

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300