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NISA [10]
2 years ago
9

Help due soon!!!! please

Mathematics
1 answer:
irga5000 [103]2 years ago
7 0

1 is 12/-30

not yet simplified

2 is A

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It will take Kali 3 days, or 30 laps to run a total of 12 kilometers. 
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Tomas and Tasha were hiking at a speed of 3.5 mph. On their way back, they were tired and their speed was 2 mph. How long was th
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 To get the length of the route use the expression for speed,

Distance = Speed × Time

Length of the route is 7 miles.

It's given in the question,

 Speed of Tomas and Tasha initially = 3.5 mph

Therefore, distance travelled by both with the speed of 2 mph one way will be,

 Distance = 3.5t [Here, t = time ]

Speed of both while coming back = 2 mph

And the time taken = t + (1 hour 30 minutes)

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Since, length of the route is same both ways,

3.5t = 2(t + 1.5)

3.5t = 2t + 3

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Now substitute the value of t in the expression to get the distance of the route,

Distance = 3.5t

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 Therefore, route was 7 miles long.

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