Answer:
12 flowers
Step-by-step explanation:
First, we need to find the perimeter of the square fish pond. The perimeter of a square is 4 times its side, so in the perimeter of the square fish pond will be
P = 4 x 1 yard = 4 yards
Now, we need to convert yards to feet. Taking into account that 1 yard is equal to 3 feet, we get
4 yards x 3 = 12 feet
So, the perimeter of the square fish pond is 12 feet
If each flower should be planted 1 foot apart, the number of flowers can be calculated as the perimeter divided by 1 foot, so
12feet / 1 foot = 12 flowers
Then, Paula should buy 12 flowers.