Which answer is equivalent to this? 27 2-7 72 7-2

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?

Which of the following is the sum of 3 1/6 + 6 3/8?

What number gives you a irrational number when added to 2/5