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520 Stamp |
Name : _________________ |
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There are 210 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1480 cents. How many 6-cent stamps are there? |
There are 220 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 1000 cents. How many 4-cent stamps are there? |
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| 520 100 130 140 130 150 ( 650 ) 100 150 140 130 90 ( 610 ) [[ 1260 ]] | ||
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