377  Leg-Stamp
닭다리 개다리 2

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There are 170 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?



There are 180 heads of Chickens and Dogs together. Altogether there are 460 legs. How many chickens are there?



우리 안에 총 170 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 500 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 210 heads of Chickens and Dogs together. Altogether there are 620 legs. How many chickens are there?



There are 170 heads of Chickens and Dogs together. Altogether there are 580 legs. How many chickens are there?



There are 140 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 910 cents. How many 8-cent stamps are there?



There are 160 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1140 cents. How many 6-cent stamps are there?



오늘 4원짜리 6원짜리 우표 총 160장을 사고, 800 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 210 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1020 cents. How many 6-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1200 cents. How many 8-cent stamps are there?



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