PROPORTION. IlJ 



2. How much of that in length which Is 4^ inches broad, 

 will make a square foot ? 



Breadth. Length. Breadth. 

 4-5 : 12 : : 12 : 



In. 



4*5) 144*0(32 = 2f. Sin. the answer, 

 135 



90 

 90 



3:. At lo-fd. per It. what Is the value of a firkin of buttes 

 containing 561b. ? 



56=8x7 



£2 9 o o the answer^ 



Or thus : 



lb. d. d. lb. 



f : lo^zzV '- '- 't ' 



V X V' = '-4^=:588d.z=49s. = 2l. 9s. as before. 



Or thus : 



lb. 'd. lb. 



I : 10 '5 : : 56 : 

 IO-5 



280 

 560 



12)588-0 



as before. 



4. If 



2,0)4,9 

 £2 9 as before. 



