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774 Stamp |
Name : _________________ |
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There are 170 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 560 cents. How many 3-cent stamps are there? |
There are 200 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1150 cents. How many 4-cent stamps are there? |
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| 774 120 100 150 110 120 ( 600 ) 130 70 110 120 70 ( 500 ) [[ 1100 ]] | ||
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