Least Common Multiple (LCM) of 4 and 8 is 8. 4 is 2 x 2, while 8 is 2 x 2 x 2. We take the first two that's shared, second two's that shared, and third two that's note. We have three twos, or 2 x 2 x 2 = 8. So the LCM of 4 and 8 is 8.
Answer: $20.
Step-by-step explanation: The price of onions was $32 per kg, this price decreased by $12, so you need to subtract 12 from 32. 32 - 12 is $20.
Hi I would have to say 200 sorry if my answer sucks but I'm trying my best to help you :D