An airline has a plan in which a spouse can travel for 75% of the base cost of a ticket, and a child under 12 can travel for 50% of the base cost.

a. Using the plan, what will it cost a married couple with three children under 12 to fly if the base cost is 280?
b. what percent discount id this compared with all five people paying full price?

A)$910.00

B)35%