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101 Stamp |
Name : _________________ |
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There are 280 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 2110 cents. How many 8-cent stamps are there? |
There are 250 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1230 cents. How many 7-cent stamps are there? |
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| 101 150 130 120 90 110 ( 600 ) 120 130 120 120 140 ( 630 ) [[ 1230 ]] | ||
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