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230 Stamp |
Name : _________________ |
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There are 230 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 1160 cents. How many 4-cent stamps are there? |
There are 170 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1410 cents. How many 8-cent stamps are there? |
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++[[ ]]++ |
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| 230 110 110 100 100 110 ( 530 ) 120 70 120 100 110 ( 520 ) [[ 1050 ]] | ||
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