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Answer: 28%
Explanation: Since we need 2,600 mg of sodium for our daily amount, we just need to find how much percentage is 728 of 2,600. In other words, what fraction of a amount is 728 of 2,600. The easiest way to find out is to convert this into a fraction, then into a percentage by division.
Step 1.) Change to fraction.
728 of 2,600 is 728/2600
Step 2.) Change from fraction to decimal to a percentage.
Most of us already know that 1/2 is 50%, 3/4 is 75%, 1/5 is 20%, and so on... But the question is... How do you solve that with math?
To change a fraction to a percentage you divide the numerator (top) by the denominator (bottom).
Example: 1/2 = 1 divided by 2
If you know how to divide using decimals, then 1 divided by 2 will equal to .5 = 50% (You can use a calculator to check)
Note: To change a decimal to a percentage move the decimal two places to the right.
.5 = 50%
.75 = 75%
1.25 = 125%
Result .) Once we divide 2,600 by 728 we get 0.28 which is 28% after we convert it from decimal to percentage.
728/2600 = .28 = 28%
Your Welcome, hope this helps. :-)
-szimbitskyy