Mr. kamara's class is selling granola bars to raise money for their class field trip. they made $300.00. if each granola bar cost $0.72, how many granola bars did mr. kamara's class sell?

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.