 <translate> Reconstruct a question, answer pair from this explanation: Part filled by (A + B + C) in 3 minutes = 3(1/30 + 1/20 + 1/10) = 11/20
Part filled by C in 3 minutes = 3/10
Required ratio = 3/10 * 20/11 = 6/11
 <yor> Ṣàtúnṣe ìbéèrè kan, dáhùn tọkọtaya láti inú àlàyé yìí: Apá tí a fi kún (A + B + C) ní ìṣẹ́jú 3 = 3 ((1/30 + 1/20 + 1/10) = 11/20 Apá tí C fi kún un ní ìṣẹ́jú mẹ́ta = 3/10 Ìfiwéra tí a nílò = 3/10 * 20/11 = 6/11 