The diameter of the sun is 865,000 miles and the distance to the sun is 93,000,000 miles. Use a scale with 1MM as the radius of the sun. How many millimeters from the sun would the earth be in this scale?

Question

anonymous · Answer

Let d be that distance in mm's.

865000/93000000 = 2/d
Remember d will be in mm. Make sure you understand why the above eqn is true! It is basic concept of ratio and proportions.Also understand the justification of the use of 2 in the numerator instead of 1

anonymous · Answer

the answers are 
A. 107
B.215
c. 322
d. 430
e. 752

anonymous · Answer

i put b but im not sure

anonymous · Answer

yes, that is correct.