Coming up with a new plan should not take long.
After a week, they came up with a new plan.
Now they've got to come up with a plan within 18 months.
I might be able to come up with a plan.
He gave the company 60 days to come up with a new plan.
I had to come up with a far better plan.
So the men, who knew each other from church, came up with a plan.
Perhaps after a few hours his mind would come up with a new plan.
Or he'd have to come up with a better plan.
He had maybe three minutes to come up with a plan.