If on a scale drawing 55 feet are represented by 20 inches, then a scale of 1/8 inch represents how many feet?

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.