562  Leg-Stamp
닭다리 개다리 2

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There are 130 heads of Chickens and Dogs together. Altogether there are 360 legs. How many chickens are there?



There are 140 heads of Chickens and Dogs together. Altogether there are 460 legs. How many chickens are there?



우리 안에 총 150 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 400 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 130 heads of Chickens and Dogs together. Altogether there are 400 legs. How many chickens are there?



There are 200 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?

There are 180 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1340 cents. How many 8-cent stamps are there?



There are 150 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 520 cents. How many 3-cent stamps are there?



오늘 3원짜리 4원짜리 우표 총 140장을 사고, 470 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 140 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 900 cents. How many 5-cent stamps are there?



There are 170 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 960 cents. How many 4-cent stamps are there?

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