8 over 20 equals 6 over 15
Answer: Yes, it is a real number. 3.4 is a rational number and rational numbers are real numbers. So 3.4 is a real number.
When u say if u can add or subtract I'm not sure what problem ur referring too. But, maybe this might help.
I think its 10.8629677419 round it to the nereast thousand you get 10.863 <span />
8000*.1=800 so the answer is 1/10 or .1