La dueña de la bodega del barrio “El buen vecino” Carla Meneses, ha ideado un plan para atraer a los clientes. Con una tarjeta de 20% + 20% de descuento, los clientes asisten pensando que la rebaja es de 40%. ¿Qué piensas tú? ¿Están en lo cierto? ¿Por qué?

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point