To calculate the area of the current flowerbed, we can use the formula for the area of a rectangle, which is length × width.
The current dimensions of the flowerbed are 7 feet by 5 feet:
\[ \text{Current Area} = 7 , \text{feet} \times 5 , \text{feet} = 35 , \text{square feet} \]
Annie wants to expand the area by 60%. First, we calculate 60% of the current area:
\[ \text{Area to be added} = 0.60 \times 35 , \text{square feet} = 21 , \text{square feet} \]
Thus, the area that will be added to the flowerbed is:
\[ \boxed{21.0} \text{ square feet} \]