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997 Stamp |
Name : _________________ |
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There are 280 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 2110 cents. How many 8-cent stamps are there? |
There are 230 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1280 cents. How many 4-cent stamps are there? |
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| 997 150 130 90 130 130 ( 630 ) 140 110 100 100 110 ( 560 ) [[ 1190 ]] | ||
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