Only 26 percent of twelfth-graders could figure out how to use a sieve, a magnet, water, and a filter to separate a mixture of steel pellets, copper pellets, iron filings, sand, and salt.
(Only 26 percent of twelfth-graders; could figure out; how to use a sieve, a magnet, water, and a filter)
Only 26 percent of twelfth-graders
could figure out
how to use a sieve, a magnet, water, and a filter