Solve for x 4 1/2<1.2x

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?

Find the area of a parallelogram with base 15 yards and height 21 2/3

Ineed in figuring out this problem.