 
 <translate> Question: Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is?
Options:
(A) 60 gallons
(B) 100 gallons
(C) 120 gallons
(D) 180 gallons
(E) 130 gallons Random thoughts: <hau> Tambaya: Bututu biyu na iya cika tanki a cikin minti 20 da 24 bi da bi kuma bututun sharar gida na iya zubar da galan 3 a minti daya. Duk bututun guda uku suna aiki tare zasu iya cika tankin cikin mintina 15. Yaya yawan tankin yake? Zaɓuɓɓuka: (A) 60 galan (B) 100 galan (C) 120 galan (D) galan 180 (E) 130 gallons Ra'ayoyin bazuwar: 