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994 Stamp |
Name : _________________ |
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There are 250 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1450 cents. How many 5-cent stamps are there? |
There are 270 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 2130 cents. How many 7-cent stamps are there? |
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| 994 150 120 140 80 140 ( 630 ) 150 100 130 110 70 ( 560 ) [[ 1190 ]] | ||
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