Answer:
46.67 cubic feet
Explanation:
Given :The rectangular base is 35 square feet, with a height of 4 feet. 
To Find :What is the volume of the tent? 
Solution :
Volume of rectangular base pyramid = 

Since we are given that The rectangular base is 35 square feet, i.e. area of rectangular base = l*w = 35 sqaure feet 
Height of pyramid h = 4 feet
Putting values in formula 
Volume of rectangular base pyramid = 

 =

 =46.67 cubic feet
Thus volume of the tent is 46.67 cubic feet