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684 Stamp |
Name : _________________ |
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There are 210 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1110 cents. How many 4-cent stamps are there? |
There are 170 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 910 cents. How many 5-cent stamps are there? |
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| 684 120 90 110 150 100 ( 570 ) 110 120 70 110 100 ( 510 ) [[ 1080 ]] | ||
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