Answer:
sorry I dont know
Step-by-step explanation:
I do not know
The percent increase in the iron was 50%. 1.2/2 = .6 1.2 + .6 = 1.8
Write them in order from least to greatest,
11.9, 12.0, 12.3, 12.4, 12.4, 12.5, 12.7,12.8, 12.9, 13.1, 13.2, 13.8
then eliminate one from each side until you find the middle one,
12.5, 12.7
you have two middle, so you find the middle number in between them.
12.6 is the median.