The number n of aluminum cans used each year varies directly as the number of people p using the cans. if 53 people use 11,872 cans in one year, how many cans are used in a city which has a population of 1,537,000?

Which of the following expressions are equivalent ?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?