laramelida5 laramelida5 30-09-2020 Mathematics contestada Carly is ordering calendars online. Each calendar costs $12, with a one-time shipping fee of $15. Which equation can be used to find the total cost, 1. of ordering n calendars? A n= 12t + 15 OB. n = 15t + 12 Oct = 12n + 15 D. t = 15n +12