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.
I got y^2/2
My Solution:
√9^2/18 · y^2
= 1/2 y^2
Multiply Fractions: a · (b/c) = (a · b)/c
1·y^2/2
=y^2/2
Hope I helped,
Faith xx