330 Stamp |
Name : _________________ |
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There are 210 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 920 cents. How many 5-cent stamps are there? |
There are 130 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 960 cents. How many 7-cent stamps are there? |
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330 80 120 110 150 70 ( 530 ) 80 130 80 150 70 ( 510 ) [[ 1040 ]] | ||
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