4 5 n 3 7 10 n July 8, 2019 16 32 64 128 $ frac 4 5 n 3 + frac 7 10 n =$ Simplify the expression $ frac 4 5 n 3 + frac 7 10 n =$ 4 5 n 4 n 7 4 5-3 7
