RULES AND MEASURES. 223 



in feet and multiply this product by 0.8, the number of 

 bushels in a cubic foot. The result is the number of 

 bushels. 



815. What is the capacity, in bushels, of a bin 6' x 8' 

 x3'? 



816. How high must a bin be to hold 200 bushels if 

 the length is 10 feet and the width is 5 feet ? 



For a circular bin : Multiply the square of the diameter 

 by the depth, all in feet, and multiply this product by ^. 

 The result is the number of bushels. 



817. How many bushels in a bin whose diameter is 

 42 inches and whose depth is 4 feet ? 



818. What is the depth of a circular bin holding 85 

 bushels and having a diameter of 4 feet? 



819. What is the diameter of a circular bin holding 

 180 bushels and having a depth of 5 feet ? 



To measure corn in the crib. Multiply together the 

 height, width and length in feet and divide this product 

 by 5 for old dry corn, and by 4 for new fresh corn. The 

 final product will approximate the number of bushels of 

 corn in the crib. 



820. What is the approximate number of bushels of 

 corn in a crib 20 feet long, 4 feet wide, and 10 feet high, 

 corn new and fresh ? 



821. What is the approximate amount of corn in a 

 crib 30 feet long, 4 feet wide, and 12 feet high, the corn 

 being thoroughly dry? 



To measure hay in the mow. Multiply together the 

 height, length and width in yards and divide by 15 if the 

 hay be well packed. If the mow be shallow and the hay 



