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marysya [2.9K]
2 years ago
7

a rabit can run 35 miles per hour.a fox can run 21 miles in half an hour. which animal is faster, an by how much

Mathematics
2 answers:
Ilia_Sergeevich [38]2 years ago
8 0

Answer:
The fox is faster, by 7 miles per hour

Step-by-step explanation:

The fox can run 21 miles in half an hour -> It can run 42 miles in an hour

And the rabbit can run 35 miles per hour, so the fox run fastest by 42-35 = 7(m/h)

aleksandr82 [10.1K]2 years ago
3 0

Answer:

the fox can run faster by 17 mph!

Step by step explanation:

This problem involves ratios

Our two ratios involve the distance the animals ran (the 35 & 21) and the time it took for them to run that distance (the 1 & 0.5)

So our two ratios are 1:35 (it took the rabbit 1 hour to run 35 miles) and 0.5:21 (it took the fox half an hour to run 21 miles)

But before we start subtracting, we have to take into account the fact that the time periods are not the same!

To start subtracting, we need to 0.5 and 1 to be the same or vice versa, the 1 to be a 0.5

In this case, let’s make the 0.5:21 bigger because it’s often easier to multiply than divide

When we multiply 0.5 by 2, it gets us to 1 so we have to do the same to the 21.

21x2=42

So our new ratio is 1:42

Now we can directly compare the two ratios.

42-35=17

So the fox ran faster by 17 miles

PLEASE AWARD BRAINLIEST I NEED TO LEVEL UP!

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