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By what percent is a 100-watt light bulb brighter than a 60-watt light bulb? (Round percent to the nearest tenth.)Question
By what percent is a 100-watt light bulb brighter than a 60-watt light bulb? (Round percent to the nearest tenth.)
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Steve
100/60 - 1 = 1.6666-1 = .6666 = 66.7%