Respuesta :

Answer:

8:10

Step-by-step explanation:

4 × 2

5× 2

Answer:

40:50

Step-by-step explanation:

For example: By multiplying both numbers by two, you will obtain 4.2 : 5.2 , which is equal to 8:10 By multiplying both terms by 10, you will obtain 4.10 : 5.10 , which is equal to 40:50.