Mrs. Bai spent twice as much money as Alice on their shopping trip. If they spent a total of $386.16, how much did each spend?

Show work and answer

Mrs. Bai spent $386.16 - Alice's amount

$386.16 - x = 2x
386.16 - 2x = x
3x = 386.16
x = 386.16/3
x = 128.72

Mrs. Bai spent $257.44
Alice spent $128.72