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447 Stamp |
Name : _________________ |
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There are 170 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1170 cents. How many 5-cent stamps are there? |
There are 270 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1440 cents. How many 4-cent stamps are there? |
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| 447 90 150 150 110 150 ( 650 ) 150 70 120 140 150 ( 630 ) [[ 1280 ]] | ||
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