Your job is to sort and sack marbles for sale. a bag contains 90 marbles, some red and some blue. if there are 60 blue marbles, what is the ratio of blue to red marbles?

What can you determine about the solutions of this system

What is the product? a-3/15a × 5/a-3

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.