The Nile River is 4160 miles long. The Amazon River is 25/26 as long. How long is the Amazon River
The Correct Answer and Explanation is:
To find the length of the Amazon River, we can use the fraction provided, which tells us that the Amazon River is 25/26 as long as the Nile River. The Nile River is 4160 miles long, so we can multiply this length by 25/26 to find the length of the Amazon River.
Here’s the calculation:Length of Amazon River=2526×4160\text{Length of Amazon River} = \frac{25}{26} \times 4160Length of Amazon River=2625×4160
We can start by performing the multiplication:2526×4160=25×416026=10400026\frac{25}{26} \times 4160 = \frac{25 \times 4160}{26} = \frac{104000}{26}2625×4160=2625×4160=26104000
Now, dividing 104000 by 26:10400026=4000\frac{104000}{26} = 400026104000=4000
So, the Amazon River is 4000 miles long.
Explanation:
The fraction 25/26 indicates that the Amazon River is a little shorter than the Nile River. To calculate how much shorter, we multiply the length of the Nile by this fraction. By doing so, we can easily scale down the 4160 miles of the Nile to find the corresponding length of the Amazon River. The result is 4000 miles, which makes sense because the Amazon River is slightly shorter than the Nile. This method of using fractions to scale values is common in comparisons, allowing us to find an exact length or proportion relative to another value.
The Amazon River, at 4000 miles, is still one of the longest rivers in the world, second only to the Nile River.
