Answer: See below
Explanation:
p-(p+20) = 4(p-5) + 3p
p-p-20 = 4p - 20 + 3p
-20 = 7p -20
40 = 7p
40/7 = p
Divergent boundaries move oceanic plates (plates found in the ocean) away from each other, making magma seep in to fill those cracks, thus spreading the sea floor.
Africa has a large extent of tropical seasonal forests and savannas; a band runs through sub-saharan Africa and runs down the eastern coast with another band extending across the continent south of the tropical rainforest. There are extensive areas of these biomes in India, southeast Asia, and northern Australia as well.
The type of economy that the forces of supply and demand typically drive prices is a market economy.