Answer :

Given:

Average age of doctors and lawyers = 40 Average age of doctors = 35


Average age of lawyers = 50


To find: Ration of number of doctors to the number of lawyers


Let a = Number of doctors


b = Number of lawyers


x = total age of doctors


y = total age of lawyers


According to the problem,


ð x = 35a and y = 50b


Total age of doctors and lawyers = x+y


According to the problem,


ð


ð


ð


ð


ð


Therefore, the ratio of ages of doctors and lawyers is 2:1


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