A survey of 7th and 8th grade students asked whether they were in favor of or against school uniforms. The two-way table shows the results. ​ ​ ​To the nearest tenth of a percent, what percent of the 7th grade students were in favor of wearing school uniforms? A 19.2%19.2\%19.2% B 41.3%41.3\%41.3% C 42.9%42.9\%42.9% D 57.1%57.1\%57.1%