She made 21 batches! Can I have brainlyest please?
Yes because they as fraction would be equal parts I think
1. Use Difference of squares: a^2-b^2=(a+b)(a-b)
(x+k)(x-k)=0
2. Solve for x and k
x=+-k
k=+-x
Answer:

Step-by-step explanation:
Everything is distributed evenly on both ends.
I am joyous to assist you anytime.
The answer would be 0.02, I believe