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599 Stamp |
Name : _________________ |
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There are 170 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1080 cents. How many 6-cent stamps are there? |
There are 260 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1630 cents. How many 5-cent stamps are there? |
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| 599 110 130 140 100 100 ( 580 ) 150 110 110 110 90 ( 570 ) [[ 1150 ]] | ||
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