The phrase "allows half of" is correct and usable in written English.
It can be used when discussing a situation where something permits or enables a portion or a fraction of a whole.
Example: "The new policy allows half of the employees to work remotely on Fridays."
Alternatives: "permits 50% of" or "enables half of".
This information allows half of the degenerate solutions to be rejected.
Our subsequent banding algorithm allows half of these wavelengths to bypass all but 4R hub nodes.
From the unsafe water that's delivered each day into hundreds of millions of homes and village hand-pumps, to a welfare system that allows half of India's children to go hungry while politicians steal billions of dollars in food aid, it's clear that poor people often survive here despite, and not thanks to, their citizenship in the world's most populous democracy.
Researchers from the University of Sao Paulo in Brazil began by allowing half of a group of healthy, adult rats to run at will on running wheels.
Conditions have become so bad that the Government is to launch its "avoid the office" strategy, forcing firms to allow half of their employees to work from home.
When Sara Mednick, a former Harvard researcher, gave her subjects a memory challenge, she allowed half of them to take a 60 to 90 minute nap.
Barnett calls for eliminating the federal income tax; prohibiting the imposition of unfunded mandates on the states; and allowing half of the states (provided that they represent half of the national population) to rescind any federal law.
While the league's guidelines regarding head injuries have been strengthened over the past decade, the N.F.L.'s record of allowing half of players who sustain concussions to return to the same game remains a subject of medical debate.
The authorities would allow half of those residents to return today, since crews had finished transferring the remaining chlorine from two damaged cars, said Susan Terpay, a spokeswoman for Norfolk Southern, which operated the train.
Allowing half of each day for resting and feeding, this is equivalent to an average surface speed of 50 km (30 miles) per hour over the period, a remarkable achievement for a bird just out of the nest.
So they gathered adult mice, injected them with a substance that marks newborn cells in the brain, and for six weeks, allowed half of them to run at will on little wheels, while the others sat quietly in their cages.
