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How many hours until they meet

How many hours until they meet-example-1
User Ljubitel
by
7.5k points

2 Answers

6 votes
it is about 7.6 hours then they meet

User Alj
by
8.2k points
7 votes
distance=rate times time
d=rt

so, they have to cover 250 total miles

a.
30mph and t=time
distance=30t=distance it wil travel

d.
travels 3 times t or 3t

c.
draw a diagram with 2 ships 250 miles apart, one going 30 and the other going 3mph
not to scale

d.
total distance=distance of rescueship+disabledship=30t+3t=33t

e.
when will total distance=distance apart=250?
250=33t
divide both sides by 33
7.5757575757575757575757575757576=t
so after about 7.6 hours

User Nightwill
by
7.8k points

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