Watch help video Mamadou has a smart phone data plan that costs $40 per month that includes 7 GB of data, but will charge an extra $15 per GB over the included amount. How much would Mamadou have to pay in a month where he used 5 GB over the limit? How Auch would Mamadou have to pay in a month where he used went over by 2 GB? Cost when over by 5 GB: Cost when over by x GB: Submit Answer attempt I out of 2 ali​