Bobby’s uncle gave him 300 baseball cards. Each week, Bobby purchases 40 baseball cards to add to his collection.
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First, find the scale factor by dividing the first building's real-life height by its model height.
Now, we'll write an equation to find the model height of the second building.
Here is an equation where represents the real-life height of a building,
represents the scale factor, and
represents the model height of the same building.
Fill in the information we already know.
Divide both sides by .
So, the model height of the second building is inches.