Answer:
RT = 10
Explanation:
Since, U and V are the midpoints of the segments RS and ST respectively.
Therefore,
By Mid-segment Theorem:
RT = 2UV
4x - 22 = 2(10x - 75)
4x - 22 = 20x - 150
150 - 22 = 20x - 4x
128 = 16x
128/16 = x
8 = x
x = 8
RT = 4x - 22 = 4*8 - 22 = 32 - 22 = 10