Plz in solving this problem statement

How many $20 bills do you need to have to make $280

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?