Solution: How many dimes are there?

Solution: When will they be 35 miles apart?

Solution: How much should she invest in 6.25% if she wants an annual profit of $937.50?

Solution: How many corn dogs should she sell if she wants $460 profit?

Solution: The probability that a black marble will drawn

Solution: What is the probability that a black marble will drawn?

Solution: In how many ways can the boys profit if each have a coin?

Solution: How many distinguishable permutations can be made from the letters of MISSISSIPPI?

Solution: How many arrangements of charms can be made?

Solution: How many ways can 5 keys be arranged in a keychain?