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714 Stamp |
Name : _________________ |
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There are 230 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1020 cents. How many 3-cent stamps are there? |
There are 210 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1350 cents. How many 7-cent stamps are there? |
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| 714 120 140 150 110 150 ( 670 ) 150 80 120 120 120 ( 590 ) [[ 1260 ]] | ||
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