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960 Stamp |
Name : _________________ |
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There are 270 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1510 cents. How many 8-cent stamps are there? |
There are 200 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 900 cents. How many 3-cent stamps are there? |
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| 960 140 120 130 100 140 ( 630 ) 140 100 140 120 140 ( 640 ) [[ 1270 ]] | ||
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