963  Stamp
How many stamps? 1

Name : _________________

 

refresh

There are 130 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 700 cents. How many 5-cent stamps are there?



There are 270 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1560 cents. How many 4-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1290 cents. How many 7-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1110 cents. How many 3-cent stamps are there?



There are 140 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 630 cents. How many 5-cent stamps are there?



There are 210 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 930 cents. How many 6-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1250 cents. How many 7-cent stamps are there?



There are 230 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 930 cents. How many 3-cent stamps are there?



There are 170 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1180 cents. How many 6-cent stamps are there?



There are 240 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1800 cents. How many 7-cent stamps are there?



+(         )

 

(         )+

++[[          ]]++

963    80 150 150 110 70 ( 560 )   100 100 150 90 120 ( 560 )   [[ 1120 ]]