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600 Stamp |
Name : _________________ |
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There are 170 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1080 cents. How many 6-cent stamps are there? |
There are 190 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1240 cents. How many 8-cent stamps are there? |
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| 600 110 130 140 70 140 ( 590 ) 120 150 130 150 90 ( 640 ) [[ 1230 ]] | ||
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