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831 Stamp |
Name : _________________ |
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There are 180 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1490 cents. How many 8-cent stamps are there? |
There are 220 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1260 cents. How many 3-cent stamps are there? |
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| 831 130 110 120 120 120 ( 600 ) 120 140 100 110 120 ( 590 ) [[ 1190 ]] | ||
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