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575 Stamp |
Name : _________________ |
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There are 220 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1210 cents. How many 5-cent stamps are there? |
There are 210 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1050 cents. How many 4-cent stamps are there? |
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| 575 110 80 100 140 140 ( 570 ) 140 100 150 130 100 ( 620 ) [[ 1190 ]] | ||
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