If 30 % of 1520 + 40 % of 800 = x % of 5000, find the value of x.

14.42% 15.52% 12.22% 18.82%

15.52%

152 x 3 + 80 x 4 = x % of 5000 456 + 320 = x % of 5000 776 = x % of 5000 x% = 15.52%