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602 Stamp |
Name : _________________ |
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There are 220 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1320 cents. How many 4-cent stamps are there? |
There are 210 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1120 cents. How many 6-cent stamps are there? |
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| 602 110 90 150 90 140 ( 580 ) 140 130 130 120 120 ( 640 ) [[ 1220 ]] | ||
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