QuestionMariel's cellphone plan costs ₹ 2,500,00 monthly for 240 minutes. Extra minutes cost ₹7.50 each. Find:
a. Monthly cost function. b. Cost for 40 and 20 extra minutes. c. Total cost for 350 minutes.

Studdy Solution
Calculate the cost.
$$Cost = ₹2,500.00 + (110 \\times ₹7.50) = ₹2,500.00 + ₹825.00 = ₹,325.00$$This is the answer to part c. If Mariel used a total of350 minutes of call in one month, she will pay ₹,325.00.