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925 Stamp |
Name : _________________ |
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There are 250 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1640 cents. How many 7-cent stamps are there? |
There are 190 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1050 cents. How many 5-cent stamps are there? |
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| 925 140 110 120 100 130 ( 600 ) 140 80 120 130 70 ( 540 ) [[ 1140 ]] | ||
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