M:N = 3:4, N:O = 5:7 and O:P = 7:9. Then M:P = ? February 17, 2024 – by admin 0A. 5/12B. 1/6C. 1/3D. 7/9M/P = M/N * N/O * O/P = ¾ * 5/7 * 7/9 = 5/ 12