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770 Stamp |
Name : _________________ |
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There are 220 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1360 cents. How many 8-cent stamps are there? |
There are 240 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1260 cents. How many 4-cent stamps are there? |
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| 770 120 150 120 140 110 ( 640 ) 140 130 100 70 100 ( 540 ) [[ 1180 ]] | ||
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