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112 Stamp |
Name : _________________ |
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There are 260 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1670 cents. How many 6-cent stamps are there? |
There are 190 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1060 cents. How many 7-cent stamps are there? |
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++[[ ]]++ |
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| 112 150 130 140 110 130 ( 660 ) 100 100 90 140 140 ( 570 ) [[ 1230 ]] | ||
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