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792 Stamp |
Name : _________________ |
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There are 240 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 830 cents. How many 3-cent stamps are there? |
There are 190 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1210 cents. How many 6-cent stamps are there? |
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| 792 130 110 120 120 70 ( 550 ) 120 70 130 120 150 ( 590 ) [[ 1140 ]] | ||
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