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Mathematics, 23.12.2020 17:10 Sebs1
Kelvin sells custom Christmas ornaments online. He quoted a customer $40 for a certain design. It took him three hours less than he anticipated, and therefore he earned $3 per hour more than he anticipated. How long did he expect it would take to construct the ornament?
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Kelvin sells custom Christmas ornaments online. He quoted a customer $40 for a certain design. It to...
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