WILL AMRL BRAINLISET IF GOTTEN RIGHT

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?

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c