Answer:
110 red bricks she add in order to double the total number of bricks
Step-by-step explanation:
Kali builds a tower using only red, green, and blue toy bricks in a ratio of 4:3:1.
The original ratio of red, green and blue is 4x, 3x and x
the total of the original is 
She then removes 1/2 of the green bricks
she remove 
adds 1/3 more blue bricks

The total of new is 
size is reduced by 14 bricks
total of original - total of new = 14


multiply both sides by 6/7
x= 12
original number of bricks = 8x = 8 times 12= 96
total of new bricks = 
Double the original number = 
the number of red bricks needs to add is

110 red bricks she add in order to double the total number of bricks