Average =$332.00 / 144 = $2.30555. The average purchase price of $2.3555 can be viewed as a weighted average of the three purchase prices. This average is closer to $2 than $3 because more lumber was bought at the lower prices than the higher prices. The majority of performance metrics are ratios of one kind or another.
The terrestrial planets. From left to right: Mercury, Venus, Earth, and Mars. A terrestrial planet is mostly made of rock (silicate) Earth is the original terrestrial planet. When astronomers started understanding the kinds of planet they extended the term to include our nearest rocky neighbours: Mercury, Venus and Mars. It is often said that they are similar to Earth.
The Terrestrial Planets. The terrestrial planets are the four innermost planets in the solar system, Mercury, Venus, Earth and Mars. They are called terrestrial because they have a compact, rocky surface like the Earth's. The planets, Venus, Earth, and Mars have significant atmospheres while Mercury has almost none.