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601 Stamp |
Name : _________________ |
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There are 210 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1450 cents. How many 5-cent stamps are there? |
There are 220 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1610 cents. How many 7-cent stamps are there? |
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| 601 110 130 130 100 90 ( 560 ) 150 110 140 150 140 ( 690 ) [[ 1250 ]] | ||
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