896  Leg-Stamp
닭다리 개다리 1

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There are 200 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?



There are 250 heads of Chickens and Dogs together. Altogether there are 720 legs. How many chickens are there?



There are 140 heads of Chickens and Dogs together. Altogether there are 380 legs. How many chickens are there?



There are 110 heads of Chickens and Dogs together. Altogether there are 360 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 540 legs. How many chickens are there?

There are 220 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1460 cents. How many 5-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1240 cents. How many 8-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1190 cents. How many 5-cent stamps are there?



There are 240 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 1090 cents. How many 5-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1340 cents. How many 8-cent stamps are there?

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