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869 Stamp |
Name : _________________ |
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There are 200 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 940 cents. How many 4-cent stamps are there? |
There are 220 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1530 cents. How many 6-cent stamps are there? |
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| 869 130 120 80 150 100 ( 580 ) 150 140 140 140 150 ( 720 ) [[ 1300 ]] | ||
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