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692 Stamp |
Name : _________________ |
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There are 220 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1560 cents. How many 8-cent stamps are there? |
There are 220 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1620 cents. How many 6-cent stamps are there? |
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| 692 120 100 150 150 100 ( 620 ) 120 70 120 140 150 ( 600 ) [[ 1220 ]] | ||
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