Respuesta :
Answer:
this is the answer
Step-by-step explanation:
20:15=20/15=4/3=n
Hence, 1:n=3:4
20 : 15 = 20/15 : 15/15 = 4/3 : 1
n = 4/3 which is simple but some people prefer 1 1/3
n = 4/3 which is simple but some people prefer 1 1/3