Respuesta :
Answer:
1. 60:80
2. 90:120
3. 120:160
Step-by-step explanation:
1. 30(2) : 40(2) = 60:80
2. 30(3) : 40(3) = 90:120
3. 30(4) : 40(4) = 120:160
Answer:
1. 60:80
2. 90:120
3. 120:160
Step-by-step explanation:
1. 30(2) : 40(2) = 60:80
2. 30(3) : 40(3) = 90:120
3. 30(4) : 40(4) = 120:160