X and Y could be a lot of things. For example 47 and 1; 24 and 24; 12 and 36; etc.
Divide 12 by 2 bc there are 12 inches in a foot
So the answer is 6 hours
Hope this helps! If it doesn't, let me know in the comments! Have a blessed day!
So base on the question, that states the weight of Rex from last year to the present, and find its rate if change or percentage of change. To calculate the percentage you must first subtract the said weight in the present to its past then divide it by its past weight then multiply it by 100. So the percentage would be 15 %. I hope this would help
