Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Hubert's job is to shovel 3/4 of the driveway whenever it snows. If he gets 1/3 of the driveway shoveled right after the snow stops, and does another 1/4 of the driveway after he has taken a chocolate break, what portion of his job has he done?
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