Add the 2 1/2 to the other side to get rid of to isolate the x
-27/4= 1/2x divide by 1/2
-27/2=x
Answer:
i don't know sorry...........
To do this, change into common denominators. The common denominator is 21 so change the problem from 1/3 + 1/7 to 7/21 + 3/21. This gives you 10/21. It is already in simplest form.
Answer:
77.6m (3 s.f.)
Step-by-step explanation:
Please see the attached pictures for full solution.