Question

71% of the total surface of the earth
is covered with water, and the rest is
covered with land. If 145.3 million sq.
km of the surface is covered with land,
find the total surface area of the earth.​

Answer 1

355.73 million sq. Km

Step-by-step explanation:

29 : 145.3 : : 71: X

145 x 71 = 29 x X

X = (145.3 x 71)/29

X = 355.73

Answer 2

answer should be 501.03 million sq. km