Answer:
90 degrees for rent, 72 degrees for food, 54 degrees on bills, 108 degrees on fun and 36 degrees on other/not mentioned
Step-by-step explanation:
A pie chart is a circle and a circle has 360 degrees.
25% + 20% + 15% + 30% = 90%
90% of 360 degrees is 324 degrees
25% of 360 = 90 so 90 degrees must be how much he spends on rent
20% of 360 = 72 so 72 degrees must be how much he spends on food
15% of 360 = 54 so 54 degrees must be how much he spends on bills
30% of 360 = 108 so 108 degrees must be how much he spends on fun
90 + 72 + 54 + 108 = 324
36 degrees (10% of the pie chart) must be spent on other.