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526 Stamp |
Name : _________________ |
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There are 170 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 960 cents. How many 4-cent stamps are there? |
There are 280 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1830 cents. How many 7-cent stamps are there? |
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| 526 100 120 90 140 100 ( 550 ) 150 140 130 110 140 ( 670 ) [[ 1220 ]] | ||
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