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624 Stamp |
Name : _________________ |
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There are 220 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1650 cents. How many 6-cent stamps are there? |
There are 190 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 870 cents. How many 5-cent stamps are there? |
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| 624 110 100 150 100 110 ( 570 ) 110 120 150 140 120 ( 640 ) [[ 1210 ]] | ||
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