The answer is 5. You get 5 by added the 6 and 4 together to get 10 and the 2 is lowest you can go so you keep that the same.
It’s the 2nd on I’m pretty sure because it says decimal
1 / 4.5 = x / 39....1 inch to 4.5 ft = x inches to 39 ft
cross multiply
(4.5)(x) = (1)(39)
4.5x = 39
x = 39 / 4.5
x = 8.7 inches <==
If 3.14 is rational, why should pi also be rational ?
The answer to your question is: Because pi is not 3.14 .
