Answer:
6
Step-by-step explanation:
(4/5)-(x/9)=6/45
6/45=(6/3)/(45/3)=2/15
4/5-(x/9)=2/15
(4/5)-(2/15)=(x/9)
(4*3)/(5*3) = 12/15
12/15-2/15=10/15
10/15=2/3
2/3=6/9
16 batches
we can divide 12 by 3/4 or 0.75: 12/0.75 = 16
By Pythagoras Theorem:
