Question Number 102773 by Ar Brandon last updated on 11/Jul/20

During a sales period a magazine offers a t% discount For clients in possession of the fidelity card, an extra discount of (t+5)% is offered. A client benefits from these two discounts and pays 150 ε for an article whose initial price is 250ε (i) Show that t is solution to the equation 250×(1−(t/(100)))×(1−((t+5)/(100)))=150 (ii) Solve this equation and deduce the value of t.