You can converte them to a common denominator like 6. 1/2 would be 3/6. 2/3 would be 4/6.
485, because the mean means you need to calculate the average. to find the average, you take the smallest number from the data set and the largest number. add the largest number by the smallest number and divide by the set of numbers you added (2). Example: (720+250=970 divided by 2 =485)
97.8ft^2 but if you round it to the nearest 10 it will be 100ft^2
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