Earth scientists help us understand our world by explaining

Abag contains purple marbles and red marbles, 114 in total. the number of purplemarbles is 6 more than 5 times the number of red marbles. how many purplemarbles are there?

Shanti wraps the gift she is taking to a friend's birthday party. she doesn't have very much paper, so she does not overlap any of the edges. how much paper did it take to cover the gift?

Hey, i was what is consisted in a sustainable city? like what unique designs they have, etc. for answering ; )