Answer:
900
Step-by-step explanation:
Sum of interior angle for a polygon = (n-2)180
7 sides
=(7-2)180
=5*180
=900
-4 is the answer to the Questor
The first container contains 200 mL. The second container contains 7/8 that much so the second container contains 200*7/8. The second container holds 175 mL. Together the containers contain 200+175 mL, so 375 mL in total.