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648 Stamp |
Name : _________________ |
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There are 190 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1080 cents. How many 4-cent stamps are there? |
There are 220 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1140 cents. How many 6-cent stamps are there? |
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| 648 110 120 110 100 120 ( 560 ) 130 70 90 130 130 ( 550 ) [[ 1110 ]] | ||
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