kay4358
24.06.2021 •
Mathematics
Two cyclists, 96 miles apart, start riding toward each other at the same time. One cycles 2 times as fast as the other, and they meet after 4 hours of riding.
a. Write an equation using the information as it is given above that can be solved to answer this problem. Use the variable r to represent the speed of the slower cyclist.
b. What are the speeds of the two cyclists?
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Ответ:
r = rate of slower cyclist
3r = rate of faster cyclist
distance covered by slower cyclist = 4r (rate*time)
distance covered by faster cyclist = 12r
total distance = 96
4r + 12r = 96
r = 6
3r = 18 (faster cyclist rate is 18 mph)
Step-by-step explanation:
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Ответ: