given matrices
A = {{3, 10, 10, 5.`}, {4, 10, 10, 6.`}, {5, 10, 10, 7.`}}
B = {{6, 10, 10, 5.`}, {7, 10, 10, 6.`}, {8, 10, 10, 7.`}}
how can i get a matrix which has the combines the first column of A with the first coulumn of B and the last column of A? Resulting in
C = {{3,6, 5.`}, {4,7, 6.`}, {5,8, 7.`}}
Thanky you in advance for any assistance