Answer:
4 4/9
Step-by-step explanation:
2 1/5 X 2 2/9
= 11/5 * 20/9
= 11/1 * 4/9
= 44/9
= 4 4/9
i think is b sorry if im wrong
3 batches
1,728,000
there are 86400 seconds in a day so you have to multiply 86400 times 20