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153 Stamp |
Name : _________________ |
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There are 260 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1590 cents. How many 4-cent stamps are there? |
There are 280 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1660 cents. How many 5-cent stamps are there? |
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| 153 150 130 90 140 140 ( 650 ) 150 100 150 130 140 ( 670 ) [[ 1320 ]] | ||
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