In the equation 0.80p = 320 what do 0.80,p, and 320 represent

First of all, the variable represents an unknown quantity, it could stand for "population", but we don't exactly, we just can say that it's an unknown quantity that can variate.

In second place, 0.80 means a portion of the variable , in this case, it represents an 80%, so the expression , expresses the 80% of .

At last, 320 represent the result of the 80% of .

So, we can say that the expression states

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