Using it's concept, it is found that the percent increase in the amount of iron per serving was of 50%.
It is given by the increase divided by the initial value, and subtracted by 100%.
In this problem:
Hence the percent increase is given by:
P = 0.6/1.2 x 100% = 50%.
More can be learned about percentages at https://brainly.com/question/10491646
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