645  Leg-Stamp
닭다리 개다리 1

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There are 220 heads of Chickens and Dogs together. Altogether there are 700 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 380 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 520 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 heads of Chickens and Dogs together. Altogether there are 760 legs. How many chickens are there?



There are 200 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1180 cents. How many 5-cent stamps are there?



There are 210 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1650 cents. How many 6-cent stamps are there?



There are 240 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1640 cents. How many 5-cent stamps are there?



There are 260 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1890 cents. How many 6-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1240 cents. How many 8-cent stamps are there?



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