Rate = 10/2 = 5 trees per hour
150trees/5 trees per hour = 30 hours
the answer is D = 30 hours
The answer is the one that has a denominator of X-5 :)
I would say A (7) but I’m not 100% sure.
2400 divided by 10 is 240 and 240 x 3 = 720 so your answer would be 720 calories per day
