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475 Stamp |
Name : _________________ |
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There are 230 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1970 cents. How many 8-cent stamps are there? |
There are 240 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1590 cents. How many 8-cent stamps are there? |
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| 475 100 120 140 130 80 ( 570 ) 130 130 110 90 150 ( 610 ) [[ 1180 ]] | ||
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