As part of an ongoing service project, the students at Belleville High School recently spent an afternoon planting trees. They planted an average of 6 trees per participant. This month, they plan to do more planting, averaging 50% fewer trees per participant this time. What will be the average this month?

We just started the introduction into circles and i have no idea how to do this.

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.