(3 x 8) x 4 = 3 x (O)

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?