735  Leg-Stamp
닭다리 개다리 2

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There are 190 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 400 legs. How many chickens are there?



우리 안에 총 190 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 500 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 250 heads of Chickens and Dogs together. Altogether there are 760 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 400 legs. How many chickens are there?

There are 200 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 700 cents. How many 3-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1210 cents. How many 6-cent stamps are there?



오늘 7원짜리 6원짜리 우표 총 210장을 사고, 1360 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 230 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1280 cents. How many 5-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1130 cents. How many 6-cent stamps are there?

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