Answer:
a
Step-by-step explanation:
since the school recorded is in two minutes, they wrote 420 words, and Katie in 5 minutes wrote 600 words, if you put the average to the person who wrote 420 words in 2 minutes to-
in every too minutes they write 420 words.
so in four minutes they would of typed 840 words, which is more words than Katie in less minutes.
X=60 Y=33.333~ Z= 80 (I’m pretty sure this is right, but I’m not sure if this is what you wanted/needed) hope this helped^-^
B is the correct answer i think