Someone ill make most brainliest

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Ill mark the brainliest if you me with the these three questions 7,8,9

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?