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2) 15
The scale for an earth model is 1:40000000. The diameter of the earth is 12,756.32km. a)What is the diameter of the model in cm?
b) If the model is cut in half, how many jars of paint would be needed to paint each half if 1 jar covered 10cm^2?
2 answers
um.. a) is supposed to be 31.9cm and b) is 240jars but i don't know how to get there.