211 Stamp |
Name : _________________ |
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There are 190 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1640 cents. How many 8-cent stamps are there? |
There are 200 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1490 cents. How many 7-cent stamps are there? |
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211 70 70 80 120 150 ( 490 ) 110 80 120 80 110 ( 500 ) [[ 990 ]] | ||
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