The probabilities of selecting marbles from a jar are shown in the table. There are 5 green marbles in the
jar. What is the minimum number of marbles in the
jar?

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.