TO CONVERT SCOTCH ACRES, &c. INTO IMPERIAL. 43 



Ex. If a field measures 20 acres 3 roods Scotch, how 

 many Imperial acres are in it ? 



A. R. 



4356000 : 5493715 : : 20 3 

 83 4 



16481145 83 

 43949720 



4 



4356000)455978345(104 roods. 



4356000 



26 ac. ro. 27 po. 3^ yds- Answer. 



20378345 



17424000 



2954345 

 40 



4356000)118173800(27 

 8712000 



31053800 

 30492000 



561800 



16854000 

 140450 



4356000)16994450(3 

 13068000 



3926450 

 To convert Imperial measure into Scotch : 



RULE. As the square of the length of the Scotch 

 chain is to the square of the length of the Imperial so 

 are the Imperial acre or acres to the Scotch. 



To find the value of an Imperial acre compared with 

 that of a Scotch acre. 



RULE. As the square of the Scotch chain is to the 

 square of the Imperial chain, so is the value of the 



