If n(A) = 10, n(B) = 20, and n(AUB) = 25, then find
n(An B).

What is the value of x in the diagram below?

If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p

Afurniture store is having a weekend sale and is offering a 20% discount on patio chairs and tables the sales tax on furniture is 6.25%