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761 Stamp |
Name : _________________ |
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There are 260 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1430 cents. How many 7-cent stamps are there? |
There are 140 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 720 cents. How many 3-cent stamps are there? |
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| 761 130 110 150 110 140 ( 640 ) 80 120 100 120 70 ( 490 ) [[ 1130 ]] | ||
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