She sold 25 t-shirts cuz she made $75 and spent $25 which means she sold $100 worth of shirts which divided by $4 a piece is 25 t-shirts.
Its Letter A see photo for solution
Answer:
Step-by-step explanation:
We have total 1200 wildflowers in first year that is first term a is 1200
We have to find sigma notation showing the infinite growth of the wildflowers.

Formula for infinite sum of GP is 
Here, 
On substituting the values in the formula of sum we get:

On simplification we get:

Therefore, total sum of wildflowers 1600.