Posted by Bradley on .
find the value of n. n / by 30 = 20

4th grade math 
Ms. Sue,
n/30 = 20
Multiply both sides by 30
n = 20 * 30
n = 600
We can prove this is the correct answer by substituting 600 for n in the original problem.
600/30 = 20
20 = 20
Yep, that's the right answer.