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920 Stamp |
Name : _________________ |
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There are 240 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1240 cents. How many 6-cent stamps are there? |
There are 250 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1310 cents. How many 7-cent stamps are there? |
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| 920 140 100 130 100 100 ( 570 ) 140 80 140 130 110 ( 600 ) [[ 1170 ]] | ||
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