721  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 170 heads of Chickens and Dogs together. Altogether there are 480 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 480 legs. How many chickens are there?



There are 250 heads of Chickens and Dogs together. Altogether there are 740 legs. How many chickens are there?



There are 120 heads of Chickens and Dogs together. Altogether there are 340 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 420 legs. How many chickens are there?

There are 200 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1330 cents. How many 8-cent stamps are there?



There are 240 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 2050 cents. How many 8-cent stamps are there?



There are 180 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 900 cents. How many 7-cent stamps are there?



There are 150 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 650 cents. How many 5-cent stamps are there?



There are 150 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 730 cents. How many 7-cent stamps are there?

+(         )

(         )+

++[[          ]]++