190  Leg-Stamp
닭다리 개다리 1

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There are 170 heads of Chickens and Dogs together. Altogether there are 600 legs. How many chickens are there?



There are 140 heads of Chickens and Dogs together. Altogether there are 340 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 230 heads of Chickens and Dogs together. Altogether there are 680 legs. How many chickens are there?



There are 200 heads of Chickens and Dogs together. Altogether there are 640 legs. How many chickens are there?



There are 150 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 750 cents. How many 6-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1050 cents. How many 6-cent stamps are there?



There are 260 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1950 cents. How many 8-cent stamps are there?



There are 280 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1530 cents. How many 5-cent stamps are there?



There are 240 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1320 cents. How many 8-cent stamps are there?



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