966  Leg-Stamp
닭다리 개다리 2

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There are 190 heads of Chickens and Dogs together. Altogether there are 500 legs. How many chickens are there?



There are 200 heads of Chickens and Dogs together. Altogether there are 660 legs. How many chickens are there?



우리 안에 총 140 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 440 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 120 heads of Chickens and Dogs together. Altogether there are 340 legs. How many chickens are there?



There are 120 heads of Chickens and Dogs together. Altogether there are 300 legs. How many chickens are there?

There are 160 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1040 cents. How many 8-cent stamps are there?



There are 170 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 950 cents. How many 5-cent stamps are there?



오늘 6원짜리 8원짜리 우표 총 190장을 사고, 1360 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 180 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1020 cents. How many 7-cent stamps are there?



There are 260 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1560 cents. How many 8-cent stamps are there?

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