556  Leg-Stamp
닭다리 개다리 1

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There are 130 heads of Chickens and Dogs together. Altogether there are 360 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?



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



There are 150 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 700 legs. How many chickens are there?

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



There are 220 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 960 cents. How many 3-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 660 cents. How many 3-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1210 cents. How many 6-cent stamps are there?



There are 210 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1200 cents. How many 4-cent stamps are there?

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