A middle school took all of its 6th grade students on a field trip to see a ballet at a theater that has 3600 seats. The students left 63% of the seats in the theater vacant. How many 6th graders went on the trip?

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Could someone me with this question i’ve been stuck on it for 20 minutes

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?