Astorepays$250foradesk.Thestoremarksupthepriceby17%.Whatistheamountofthemark-up?

First, we need to calculate 17% of $250 to find the amount of the mark-up.

17% of $250 = 0.17 x 250 = $42.50

Therefore, the store marked up the price of the desk by $42.50.