Question

Find DS, ST, and x. Let DS = 4x, ST = 9x + 7, and DT = 25.

Answer 1

4x + 9x + 7 = 25

13x = 18

x = 18/13 = 1 5/13

DS = 4(18/13) = 72/13 = 5 7/13

ST = 9(18/13) = 162/13 = 12 6/13