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764 Stamp |
Name : _________________ |
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There are 180 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1140 cents. How many 7-cent stamps are there? |
There are 220 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1380 cents. How many 4-cent stamps are there? |
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| 764 120 100 120 100 110 ( 550 ) 120 80 100 110 150 ( 560 ) [[ 1110 ]] | ||
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