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167 Stamp |
Name : _________________ |
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There are 220 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 730 cents. How many 3-cent stamps are there? |
There are 280 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1770 cents. How many 4-cent stamps are there? |
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| 167 150 130 140 90 140 ( 650 ) 150 130 150 130 150 ( 710 ) [[ 1360 ]] | ||
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