At the museum, Bethany saw 4 times more still lifes than portraits. If she saw 80 paintings total, how many portraits did she see?
Let's think step by step.
16
Let s be the number of still lifes Bethany saw and p be the number of portraits.

We know that s + p = 80 and s = 4p.

Substituting the second equation into the first equation, we get 4p + p = 80.

Combining like terms, we get 5p = 80.

Dividing both sides by 5, we get p = 16.

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The answer is 16