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765 Stamp |
Name : _________________ |
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There are 230 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 930 cents. How many 5-cent stamps are there? |
There are 250 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1510 cents. How many 7-cent stamps are there? |
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| 765 120 100 110 110 120 ( 560 ) 130 80 120 100 120 ( 550 ) [[ 1110 ]] | ||
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