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675 Stamp |
Name : _________________ |
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There are 170 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 780 cents. How many 4-cent stamps are there? |
There are 220 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1540 cents. How many 5-cent stamps are there? |
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| 675 120 90 100 150 100 ( 560 ) 110 120 70 140 110 ( 550 ) [[ 1110 ]] | ||
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