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Sophie [7]
3 years ago
12

Paul runs 4.8 km every morning. How many feet are in 4.8 km, given that 1 mile = 1.609 km and 1 mile = 5,280 feet?

Mathematics
2 answers:
never [62]3 years ago
7 0
There are <span>15 748.0315 feet  in 4.8 km.
Hope this helps!</span>
attashe74 [19]3 years ago
4 0

Answer:

15.751ft

Step-by-step explanation:

This is a conversion of units problem, so first you have 4.8 km and you need to convert it to feet.

First you take the quantity you need to convert:

4.8km

Then you put a factor, in the denominator you put the conversion factor with the same units that the number that you want to convert, that is:

4.8km*\frac{}{1.609km}

Then in the numerator you put the second unit that you have, in this case, the problem gives you that 1 mile = 1.609km, so:

4.8km*\frac{1mile}{1.609km}

Then, as the problem says that convert the 4.8km to feet, you put the next factor in the same way:

4.8km*\frac{1mile}{1.609km}*\frac{5280feet}{1mile}

Finally, you multiply the initial quantity and the numerators and divide by the denominators, and you have:

4.8km*\frac{1mile}{1.609km}*\frac{5280feet}{1mile}=\frac{25344}{1.609}ft

\frac{25344}{1.609}=15.751ft

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