Solve each of the following word problems. 1. The perimeter of a rectangular field is 1000m. If the length is given as x, find the width in terms of x. please help me guys!!

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?