31
³ Problem
In a gravel quarry, two new excavations have been opened.
The first one measures 350 meters by 560 meters, the
second one measures 340 meters by 610 meters. What
volume of gravel does the company need to extract from each
excavation to reach a depth of 150 meters? To reach 210
meters?
Recall %
h
< F <
L z z
<
z z
< W 4 <
350 V 560 L z <
340 V 610 L z z <
150 V %h
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