Answer:
Approximately 19 bags of sand will be required.
Explanation:
The statement misses the drawing of the sandbox which I have attached here. We can find the dimensions mentioned in the picture.
Length of box = 6.5 feet
Width of box = 5 ft
Height of box = 1.5 ft
Calculating the volume = V = length x width x height = 6.5 x 5 x 1.5 = 48.75 cubic ft
As given in the question, one sand bag has 2.6 cubic ft of sand
No of bags required = 48.75 / 2.6 = 18.75