Respuesta :
Answer:
He is incorrect because if you're going to find out how much he needs, you need to subtract the total by what he already has. So, the answer will be
145-25=b. (but if you want to know the answer to b, it's 145-25=120, so he needs to save up 120 more dollars.) Let me know if this helped!! Good luck.
Step-by-step explanation: