Answer:
The last one
Step-by-step explanation:
Since we already know an angle and a safe are equal we just need one more pair of corresponding angles
Let, Fiona's age = x
Darwin's age = 2x+6
Then, 2x+6 = 50
2x = 44
x = 22
So, your answer is 22
Hope this helps!
By the way the arrow is pointing?
1/5 of 70 is 14
70-14 is 56
1/2 of 56 is 28
He has $28 left