594  Leg-Stamp
닭다리 개다리 2

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There are 190 heads of Chickens and Dogs together. Altogether there are 580 legs. How many chickens are there?



There are 230 heads of Chickens and Dogs together. Altogether there are 720 legs. How many chickens are there?



우리 안에 총 110 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 320 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 190 heads of Chickens and Dogs together. Altogether there are 540 legs. How many chickens are there?



There are 170 heads of Chickens and Dogs together. Altogether there are 540 legs. How many chickens are there?

There are 260 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1840 cents. How many 8-cent stamps are there?



There are 170 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1000 cents. How many 4-cent stamps are there?



오늘 5원짜리 8원짜리 우표 총 190장을 사고, 1310 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 170 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1280 cents. How many 7-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1140 cents. How many 7-cent stamps are there?

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