Alemonade stand sold only small and large cups of lemonade on tuesday. 3/5 of the cups sold were small and the rest were large. if the large cups were sold for 7/6 as much as the small cups, what fraction of tuesday's total revenue was from the sale of large cups? a. 7/16
b. 7/15
c. 10/21
d. 17/35
e. 1/2