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353 Stamp |
Name : _________________ |
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There are 180 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1340 cents. How many 8-cent stamps are there? |
There are 210 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1650 cents. How many 7-cent stamps are there? |
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| 353 80 100 80 130 120 ( 510 ) 120 130 150 150 110 ( 660 ) [[ 1170 ]] | ||
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