Mathematics, 20.07.2019 14:00 ethann47
Astamp collector bought 160 stamps for $25.00. the purchase included 5¢ stamps, 15¢ stamps, and 25¢ stamps. the number of 15¢ stamps is three times the number of 5¢ stamps. how many of each type of stamp was purchased?
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Astamp collector bought 160 stamps for $25.00. the purchase included 5¢ stamps, 15¢ stamps, and 25¢...
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