 
<translate> John ji otu ụzọ n'ụzọ anọ karịa Mary. Mary dị kilogram iri abụọ na ise n'arọ karịa Jamison. Ọ bụrụ na Meri dị otu narị na iri isii na ise n'arọ, ole ka ha atọ ga-adị ma e jikọta ha? Ka anyị buru ụzọ chee echiche. Ụzọ iche echiche: <eng> 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: 