At summer camp, campers were asked to name their favorite sport. The circle graph shows the percent of campers who preferred each sport. Of the campers surveyed, 39 said that they preferred swimming. How many campers were surveyed in all?

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75