Just find a calculator and just type the converted decimals:
490 divided by 3.5
Hope I helped
As you can see the length of the one with the man is 6 and the length with the lamp post is 18 and we know that if you divide 18 by 6 you get 3 so then you mutiply 5.25 by 3. Then you get 15.75
Therefore the answer is A. 15.75
