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leslychavez0269
20.09.2020 •
Mathematics
Two brothers walk toward each other from a starting distance
of 1200 meters. The elder walks at 80 meters per minute while
the younger walks at 70 meters per minute. How long does it
take them to be only 450 meters from each other for the first
time?
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Ответ:
Ответ:
29 / 12
x = 2.42 about