Answer:
20
Step-by-step explanation:
parent: child
5 :2
The parent is 50
50/5 = 10
Multiply each term by 10
5:10 : 2*10
50 : 20
The child is 20
your answer is 0.111111....
hope it helps
2
3-4+4+(-1) (-4+4=0)
=3-1
=2