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748 Stamp |
Name : _________________ |
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There are 230 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1600 cents. How many 6-cent stamps are there? |
There are 190 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1490 cents. How many 7-cent stamps are there? |
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| 748 120 150 70 70 110 ( 520 ) 110 80 120 120 150 ( 580 ) [[ 1100 ]] | ||
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