5 reasons that cells divide?

1.) Growth- To grow into the 100 trillion organism that you are. 
2.) Development- For a cell to develop it goes through this process because if it didn't it would be all the same cell with no purpose 
3.) Repair- Self explanatory
4.) replace old or damaged cells
5.) to create creatures with specialized tissues

To get the original price we are going to;

1) Subtract the discount percentage from 100 to get the original price percentage.

100 - 25 = 75 %

2) Now we are going to multiply the discounted price by 100.

7500 x 100 = 750,000

3) Now we are going to divide the discounted price by the original price percentage.

750,000 / 75 = 10,000

Therefore the original price is Rs 10,000