Here's the volume formula (and the area formula) typed a little neater than that.
(I'm guessing you forgot to type in your question?)
From this question I take it that you need to know what is 130% of 45 mg. 130% of 45 is equal to 1.3x45, which is 58.3. So, your answer is 58.3 mg of the vitamin.
Factoring may be the easiest one
Answer:
the percent is 18
Step-by-step explanation:
53
when the first decimal number is 4 or below, then you leave the whole number as it is, and get rid of the decimals.