For the other 5 percent, he questions them until they come up with their own answer.
Still, he had to come up with an answer of some kind.
More likely to come up with a wrong answer than a right one, and, either way, he couldn't be certain.
She gave them time to come up with an answer.
She'd hav$ to come up with a pretty good answer.
He couldn't have come up with a better answer himself.
The hand of one boy shot up with an answer to the question.
I've been doing a lot of thinking about you since last night, and I may have come up with an answer or two.
She still hadn't been able to come up with an answer.
He'd asked a question and come up with an answer.