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Hitman42 [59]
3 years ago
10

Dave can bike 6 miles in 30 minutes. How far can he bike in 45 minutes?

Mathematics
1 answer:
jeyben [28]3 years ago
3 0
The answer is 9 miles.
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The Oregon trail is 2.197 miles long. How long would it take a covered wagon travelling 20 miles a day to complete the trip? Wri
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Answer: It needs 2.4 hours to complete the trip.

Step-by-step explanation:

Since we have given that

Length of Oregon trail = 2.197 miles

Speed at which it travel = 20 miles per day

we need to find the time taken by it ,

As we know that

Time=\frac{Distance}{Speed}

Time=\frac{2.197}{20}\\\\Time=0.10\text{ days}

So,

it will be changed into hours

1\text{ day}=24\text{ hours}\\\\0.1\text{ day}=24\times 0.1=2.4\text{ hours}

so, it needs 2.4 hours to complete the trip.


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3 years ago
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Morgarella [4.7K]

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Step-by-step explanation:

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Let the smaller number be x.

Given, the larger number is 7 times the smaller number.

So, the larger number = 7x.

Given, 3 times the larger number is 7 more than 4 times the smaller number.

So we can write the equation as,

3(7x) = 4(x)+7

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Now we have to move 4x to the left side by subtracting 4x from both sides.

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To get x, we will divide both sides by 17. We will get,

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So the smaller number = \frac{7}{17}

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So we have got the required numbers.

Smaller number = \frac{7}{17} and larger number = \frac{49}{17}.

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a has a greater rate of change because all the numbers make sense to the problematic function :)

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