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132 Stamp |
Name : _________________ |
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There are 180 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1220 cents. How many 4-cent stamps are there? |
There are 240 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1530 cents. How many 6-cent stamps are there? |
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| 132 80 140 80 130 140 ( 570 ) 150 100 140 120 130 ( 640 ) [[ 1210 ]] | ||
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