Answer:
TW = 4 units || TU = 1 units
Step-by-step explanation:
As we know the width's are similar, we can find s, by:
s - 3 = 10s - 39
s - 10s = -39 + 3
-9s = -36
s = -36 รท -9
s = 4
If s is 4, its the length value which is TW = 4 units
Then width, TU = s - 3
= 4 - 3
= 1
TU = 1 units