So half of Nina's age is 10/2= 5. And since Greg is three years younger we subtract from 5 like so...
10/2=5
5-3
2
So Greg is 2 years old. I hope this helps love! :)
Hope you do well , i pray blessings and growth to you .
Answer:
170
Step-by-step explanation:
30 x 3 then do 10 x 8
90 + 80
B 16 miles an hour
Hope this helps