Question

Can someone help me solve this? The recommended daily allowance of niacin for adults is 20 mg. One serving of a certain breakfast cereal provides 18 mg of niacin. what percent of the recommended daily allowance of niacin does one serving of this cereal provide?

Answer 1

90%

Explanation:

According to the statement, breakfast cereal provides 18 mg of the 20 mg daily recommendation.

Therefore, to find the percentage, we calculate the ratio of the above and multiply by 100, just like this:

`\begin{gathered} p=(18)/(20)\cdot100 \\ p=90\% \end{gathered}`

So it would be 90%