Respuesta :

mhanifa

Answer:

A) 50 km : 45 km : 65 km

B) 18:45:3

Step-by-step explanation:

A) 160 km in the ratio 10:9:13

  • 10x+9x+13x= 160
  • 32x= 160
  • x= 5

10:9:3 ⇔ 50 km : 45 km : 65 km

B) 66 in the ratio 6:15:1

  • 6x+15x+x= 66
  • 22x=66
  • x=3

6:15:1  ⇔ 18:45:3
Answers

A=
10:9:13
B=
6:15:1