 <translate> John weighs one-quarter times more than what Mary weighs. Mary weighs 20 lbs less than Jamison's weight. If Mary weighs 160 lbs, what's the combined weight of the three? Let's think first. Chain of thought: <yor> Ìwọ̀n John ju ti Mary lọ ní ìlọ́po mẹ́rin. Ìwọ̀n Mary kéré ju ti Jamison lọ ní kìlógíráàmù ogún. Bí Mary bá wúwo 160 lbs, kí ni iye tí àwọn mẹ́tẹ̀ẹ̀ta wúwo jọ? Ẹ jẹ́ ká kọ́kọ́ ronú. Àlàfo èrò: 