Answer: 15%
Explanation:
the percent is equal to (large double Cheeseburgers/total burgers) * 100
finding values
num of large double cheeseburgers in the table = 60
total burgers by adding all the values up = 68+77+45+98+52+60 = 400
calculating percent
so the percent is (60 / 400) * 100 = 15%