Respuesta :

Answer:

0

Step-by-step explanation:

x and y are variables

S to T = 4:1

Therefore;
S = 4/5
T = 1/5

20 yd / 4 = 5 yd
10 yd / 4 = 2.5 yd

x = 5 yd
y = 2.5 yd