Seems to be a typo:
If you meant to say just "an article" then it would be 1/3 of the article per minute.
If it is supposed to say "half of an article" he would have read 1/6 of the article per minute. Hope this helps!
Answer:
470
Step-by-step explanation:
you subtract the greatest and lowest number
Three equivalent ratios to 14/2 is 7/1, 21/3, 28/4, in which 7/1 is the simplest form~