They would need to divide by 2/7, because on the left side of the equation 2/7 divided by 2/7 would equal 1, and thus you would get 1n on the left side of the equation.
Hope that helps!
Answer:
n = 28
Step-by-step explanation:
2/7 n = 8
2n/7 = 8
2 x 28/7 = 8
56/7 = 8
8 = 8
