Problem 17 (1995 AJHSME)

The table below gives the percent of students in each grade at Annville and Cleona elementary schools: Annville: $16\%$ (K), $15\%$ (1), $15\%$ (2), $14\%$ (3), $13\%$ (4), $16\%$ (5), $11\%$ (6) Cleona: $12\%$ (K), $15\%$ (1), $14\%$ (2), $13\%$ (3), $15\%$ (4), $14\%$ (5), $17\%$ (6) Annville has $100$ students and Cleona has $200$ students. In the two schools combined, what percent of the students are in grade $6$?