Respuesta :

Step-by-step explanation:

70:100 (They're related because 7 x 10 = 70 and 10 x 10 = 100)

14:20 (They're related because 7 x 2 = 14 and 10 x 2 = 20)

Answer:

14:20 and 21:30

Step-by-step explanation:

Or it could be 7/10 and 7 to 10