Hall County Schools thought the students would be absent for one day due to a winter storm. However it iced under the snow and students were unable to come to school for three days. How much percent error did Hall County Schools make incorrectly? please help

66.66%

Step-by-step explanation:

To find percentage error you would subtracted the expected value by the actual, and then you would dive that by he actual amount. finally to get you're percent you would multiply by 100. Meaning you would do the following:

1-3=-2

-2/3=-.6666

.6666 x 100 = 66.66%

6/20

step-by-step explanation:

a. 12.5 kg

step-by-step explanation:

f = ma

so

m = f/a = (2500 n)/(200 m/s²) = 12.5 kg

1 n = 1 kg·m/s²