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454 Stamp |
Name : _________________ |
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There are 200 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 910 cents. How many 5-cent stamps are there? |
There are 190 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1110 cents. How many 5-cent stamps are there? |
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| 454 110 140 140 150 120 ( 660 ) 110 70 140 150 150 ( 620 ) [[ 1280 ]] | ||
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