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591 Stamp |
Name : _________________ |
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There are 200 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1580 cents. How many 7-cent stamps are there? |
There are 150 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1000 cents. How many 8-cent stamps are there? |
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| 591 110 80 100 140 90 ( 520 ) 100 130 110 90 100 ( 530 ) [[ 1050 ]] | ||
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