hard · GMAT Quant
An energy facility monitors the power output E in megawatt-hours across three operational windows. In Window 1, E is increased by 10 percent and then reduced by 26 megawatt-hours. In Window 2, the output is doubled and then increased by 20 megawatt-hours. In Window 3, the output is reduced by 30 percent, leaving a final output of 70 megawatt-hours.
What was the initial output E in megawatt-hours?
- 48
- 54
- 60
- 65
- 40
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