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885 Stamp |
Name : _________________ |
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There are 200 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1100 cents. How many 4-cent stamps are there? |
There are 220 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 790 cents. How many 3-cent stamps are there? |
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++[[ ]]++ |
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| 885 140 120 120 130 140 ( 650 ) 90 100 130 80 150 ( 550 ) [[ 1200 ]] | ||
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