984  Leg-Stamp
닭다리 개다리 2

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There are 220 heads of Chickens and Dogs together. Altogether there are 620 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 160 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 420 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 200 heads of Chickens and Dogs together. Altogether there are 540 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 500 legs. How many chickens are there?

There are 140 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 940 cents. How many 6-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 730 cents. How many 5-cent stamps are there?



오늘 6원짜리 9원짜리 우표 총 190장을 사고, 1290 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 190 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1120 cents. How many 8-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1010 cents. How many 3-cent stamps are there?

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