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There are 140 heads of Chickens and Dogs together. Altogether there are 460 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 110 heads of Chickens and Dogs together. Altogether there are 280 legs. How many chickens are there?
There are 190 heads of Chickens and Dogs together. Altogether there are 500 legs. How many chickens are there?
There are 170 heads of Chickens and Dogs together. Altogether there are 500 legs. How many chickens are there?
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There are 180 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1090 cents. How many 3-cent stamps are there?
There are 210 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 810 cents. How many 3-cent stamps are there?
There are 200 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1530 cents. How many 6-cent stamps are there?
There are 190 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1070 cents. How many 8-cent stamps are there?
There are 190 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 910 cents. How many 4-cent stamps are there?
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