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734 Stamp |
Name : _________________ |
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There are 210 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1560 cents. How many 7-cent stamps are there? |
There are 120 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 790 cents. How many 7-cent stamps are there? |
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| 734 120 150 110 150 110 ( 640 ) 70 130 120 120 100 ( 540 ) [[ 1180 ]] | ||
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