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515 Stamp |
Name : _________________ |
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There are 190 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1040 cents. How many 5-cent stamps are there? |
There are 240 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1620 cents. How many 6-cent stamps are there? |
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| 515 100 130 140 100 140 ( 610 ) 150 120 140 90 70 ( 570 ) [[ 1180 ]] | ||
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