A sofa and chair have a total price of $ 600 not including tax. The tax rate is 6.25 %. Find the tax on the sofa if the price of the chair is $200.
(a)$ 625 (b)$ 637.50 (c)$ 25 (d)$ 612.50 (e)$ 47.50
600 - 200 = 400 cost of sofa
400 * 0.0625 = 25 tax on sofa