What is the value of n below?

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

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?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,