Question

the total cost, c, of an item purchased from a store is c = p .07p, where p is the price before sales tax, and there is a 7% sales tax in effect. an equivalent formula for this situation is a) c = 0.97p b) c = 0.14p. c) c = 1.07p. d) c = 0.93p.

Answer 1

C = p + 0.07p
c = p(1 + 0.07)
c = 1.07p