Answer:
The extra spent money of karla is $158.
Explanation:
Given that,
Price of each t- shirt = $2
Price of each trouser = $8
Karla spent money = $198
Suppose, how much extra money spent of Karla .
If i buy 4 t-shirt for each trouser then,
We need to calculate the total price of 4 t-shirt and trouser
Using given data
For t-shirt,


For trouser,


The total price of 4 t-shirt and trouser is


We need to calculate the extra spent money of karla
Using given data
Extra money of karla=Spent money of karla - Price of 4 t-shirt and trouser
Put the value into the formula
Extra money of karla = 198-40
Extra money of karla = $158
Hence, The extra spent money of karla is $158.