[latex] frac{3}{4}*N = 1 [/latex] [latex]N = 1* frac{4}{3} [/latex] [latex]N = frac{4}{3} [/latex]

3/4 x N = 1 N = 1 / 3/4 N = 4/3 I hope I helped, feel free to ask questions and have a nice day!