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527 Stamp |
Name : _________________ |
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There are 210 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1570 cents. How many 8-cent stamps are there? |
There are 160 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1040 cents. How many 5-cent stamps are there? |
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| 527 100 150 70 130 110 ( 560 ) 100 110 100 80 150 ( 540 ) [[ 1100 ]] | ||
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