yzytckfskv yzytckfskv Today at 7:44 PM Mathematics Answered c) The phone case you want to buy is marked down 30%, and you have a 25% off coupon. You pay $42.00. Can this equation be used to find the original price of the phone case? If so, what is the original price of the item? Explain. 34 34 (0.7c) = 42