Question 1207698

Let Ella's initial share by E

Selena's initial share is $500, and her new share is $620. 

The increase in Selena's share is=> 620−500=120

 
 Ella's share decreased by 20%.   (given)

 Decrease in Ella's share = increase in Selena's share, = $120.

A 20% decrease in Ella's share equals  $120 decrease is =20% of her initial share. 

0.20×E=120

E=120/0.20=600

So, Ella's initial share was $600.