Help me ASAP please will give brainliest

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

Iam at home. /: i am playing video games. translate the following statement into symbolic form.

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost