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krok68 [10]
3 years ago
6

Alina is able to swim at a rate of about 2.5 miles per hour. Talia is able to swim at a rate of 1.8 meters per second. Which sta

tement comparing the two swimmers is accurate?
1 mile 1,609 meters
A) Alina swims about 0.7 miles per hour faster than Talia.
B) Talia swims about 0.7 miles per hour faster than Alina.
C) Alina swims about 1.5 miles per hour faster than Talia.
D) Talia swims about 1.5 miles per hour faster than Alina.
Mathematics
2 answers:
Nitella [24]3 years ago
8 0
<span>As we know that in an hour there are 3600 seconds so
1.8 x 3600 = 6480
 6480 / 1609 = 4.02 miles / hr
   4.02 - 2.5 = 1.5( by substracting the speed)
so correct option is D which is
</span><span> Talia swims about 1.5 miles per hour faster than Alina
</span>hope it helps
Masja [62]3 years ago
4 0

Answer: Option 'D' is correct.

Step-by-step explanation:

Since we have given that

Rate at which Alina swim = 2.5 miles per hour

Rate at which Talia swim = 1.8 meters per second

First we need to change meters per second into miles per hour

As we have given that

1\text{ miles}=1609\text{ meters}

and

1\text{ hour}=3600\text{ seconds}

So, to change into miles per hours, we'll apply this,

\frac{1.8\times 3600}{1609}\\\\=4.02\text{ miles per hour}

So,

Difference between their rates will be given by

4.02-2.5=1.52\text{ miles per hour}

Hence, Talia swims about 1.5 miles per hour faster than Alina.

So, Option 'D' is correct.



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