Autumn has a smart phone data plan that costs $50 per month that includes 9 GB of data, but will charge an extra $10 per GB over the included amount. How much would Autumn have to pay in a month where she used 3 GB over the limit? How much would Autumn have to pay in a month where she used went over by 2 GB?

Answer:Step-by-step explanation:amountwhich Autumn would have to pay if she used3GBpast over the limit is; $80.amountwhich Autumn would have to pay if she used2GBpast over the limit is;What is mathematical expression?numbers,variablesandfunctionsby using signs likeaddition, subtraction, multiplication,anddivision.moneyAutumn has to pay if she used 3 GB and 2GB past the limit.amountpaid for 3GB past the limit is; $50 + $30 = $80.amountpaid for 2GB past the limit is : $50 + $20 = $70.cost per unitat :