Marlin's marble jar had 36 red marbles and 64 blue marbles.

what was the ratio of red marbles to blue marbles in the jar?

a.
1 : 2

b.
9 : 16

c.
2 : 3

d.
3 : 4

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?