If a/b=3/4 and 8a+5b=22, then find the value of 'a'?
From first condition , 4a = 3b
For comparison we can multipy by 2 , then we get 8a=6b .
Put 8a=6b in second condition , 6b+5b=22
Put the value of b in condition 2 ...we get 8a+ 5*2=22
a= 1.5 I guessed.