Answer:
If Sarah is 15, then the answer is 45. If Sarah is 20, then the answer is 60, if Sarah is 30, then the answer is 90. It all depends on how old Sarah is right now. 15 x 3 = 45. 20 x 3 = 60. 30 x 3 = 90.
He is B) 45 years old
Explanation:
If he was 30 when she was born, he was 40 when she was 10, and he was 45 when she was 15.
15 x 3 = 45
Edit: It can actually be any of them....
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