 
<translate> Wasu 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) 820 galan (B) galan 128 (C) 120 galan (D) galan 129 (E) galan 220 Wani rafi na sani: <eng> Some 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) 820 gallons
(B) 128 gallons
(C) 120 gallons
(D) 129 gallons
(E) 220 gallons
Some stream of consciousness: 