Question

Let us find what should be subtracted from each of 23,30,57and78to make the results proportional​

Answer 1

Answer:

6 should be subtracted from each number

Step-by-step explanation:

(23-x)/(30-x) = (57-x)/(78-x)

(23-x)(78-x)= (57-x)(30-x)

1794-101x+x^2= 1710- 87x +x^2

84= 14x

x=6