Cardi B
Step-by-step explanation:
It is decreasing in the time interval 0 < x < 2 hours.
1500 + 6000 = 0.9(3 * 12)x
7500 = 32.4x
7500/32.4 = x
231.48 = x......hmmm...not quite...I would go with 232
There are many answer:
1/4 is equal to 25%, .25 , 2/8 on so on. Hope this helps