In which sentence is the fraction written correctly?
a.
she donated one-third of the profits to charity.
b.
leah jogged one-half of a mile.
c.
she received three quarters of the votes.

answer: i chose a.

explanation:

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."