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Answer:
2.8 hours
Step-by-step explanation:
Distance = rate * time
If the west-bound train travels at a rate of 80 mph for t hours, then the distance it travels is 80t.
If the east-bound train travels at a rate of 90 mph for t hours, then the distance it travels is 90t.
The distance between the trains after t hours is 476; therefore, the distance of the west-bound train plus the distance of the east-bound train equals the total distance between them, 476:
80t + 90t = 476 and
170t = 476 so
t = 2.8 hours
Answer:
<h3>The rate of change is <u>29/5</u>.</h3>
Answer:
<h2>
It’s height is <u>
5 </u>
units.</h2>
Step-by-step explanation:
Answer: About $118.66
Step-by-step explanation:
53.4/0.45 is 118.66
