A marathon is a race that is 42.195 kilometers long. Joel ran two marathons this year. How many total kilometers did he run between the two races?

The answer is 84.384 kilometers.

Step-by-step explanation:

In order to determine the answer, we have to add the total amount of kilometers of each race.

The first marathon, Joel ran 42.195 kilometers.

The second marathon, Joel ran 42.195 kilometers again.

So, to determine the total, we can multiply 42.192 by two:

42.192*2=84.384

Finally, the total kilometers that Joel ran was 84.384.

84.39 is ya answer to the question