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161 Stamp |
Name : _________________ |
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There are 260 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 930 cents. How many 4-cent stamps are there? |
There are 170 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 890 cents. How many 4-cent stamps are there? |
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| 161 150 130 100 100 100 ( 580 ) 100 150 110 140 100 ( 600 ) [[ 1180 ]] | ||
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