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741 Stamp |
Name : _________________ |
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There are 210 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1080 cents. How many 3-cent stamps are there? |
There are 220 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1720 cents. How many 7-cent stamps are there? |
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| 741 120 130 110 110 70 ( 540 ) 130 120 80 150 130 ( 610 ) [[ 1150 ]] | ||
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