Answer:
x = 20
Step-by-step explanation:
x° + 2x° + (x+10)° = 90°
3x° + x° + 10° = 90°
4x° + 10° = 90°
4x° = 90°-10°
4x° = 80°
x = 80/4
D
That would be 16 pints.
Gain = 40000-(32400+500)
= 40000 - 32900
= 7100 Rs.
Hope this helps!