And we will kill 50 percent of the hostages.

He and his men had killed or wounded at least ninety percent of the tribe's warriors.

Kill 5 percent, save 95 - but they can't do it themselves.

But it nonetheless killed 62 percent of the guinea pigs.

But the disease is highly contagious, and kills 30 percent of its victims.

"And we probably only kill 2 percent of what the state kills."

Drying will kill, say, 90 percent of them, but the rest could hang around for weeks.

RID, the market leader, killed 7 percent in 10 minutes.

Thus far the plague has killed roughly 10 percent of the earth's population.

And heart attacks kill approximately 40 percent of people who have them.