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970 Stamp |
Name : _________________ |
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There are 190 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 770 cents. How many 3-cent stamps are there? |
There are 190 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1400 cents. How many 7-cent stamps are there? |
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| 970 140 110 120 70 120 ( 560 ) 120 130 80 130 110 ( 570 ) [[ 1130 ]] | ||
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