If x and y are in direct proportion, then (x – 1) and (y – 1) are also in direct proportion.
False
x and y are in direct proportion, then;
x/y = k
if x = 3 and y = 5, then
k = 3/5
Now, x-1 = 2 and y-1=4
(x-1)/(y-1) = 2/4 = 1/2
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