Circle graph shows 42% of students surveyed preferred football. 33% preferred baseball. 25% preferred soccer. if 210 people chose football, how many total students were polled?
there are 500 total students. can someone show me how to set this problem up so i understand how to do them moving forward?

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet. what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet