1.) set up a w_k_u chart 2.) in the w column write in on top and mi in the bottom like this w_K_U in_ mi_ then in the k column write 2 for in and 15 for mi W_K_U in_2_ mi_15_ then in the U column, you write 7 for in and x for mi W_K_U in_2_7 mi_15_x then cross multiply: 2x = 15(7) multiply 15 times 7 which is 105 2x=105 divide 2x by 2 x=105 answer 105
