Answer:
30
Step-by-step explanation:

bdc=30
The answer is A.
D= 6<=x<=11
513/2=256.5
which means 256 and 257 are the answers
Step-by-step explanation:
2x/3 - x/3 = x/3
they both have the same denominators (number at the bottom of the fraction) so all you have to do it subtract the numerators (top of the fraction) together. 2x-x =x, that's why it's x on the numerator for the answer
hope this helps