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country3313 country3313
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6 years ago
If the energy conversion efficiencies in a 3 step process are 30 for the first step, 40 for the second, and 20 for the third, the overall efficiency (step one to end) is about:
 a. 2 b. 10 c. 20 d. 50 e. 90
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grrgrrlgrrgrrl
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6 years ago
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Smart ... Thanks!
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