Question

the product of two rational numbers is equal to half of their sum.if one number is 3/2,find the other one.

Answer 1

Let x be the other
we have,
3/2*x=1/2(3/2+x)
3/2x=3/4+1/2x
3/2x-1/2x=3/4
3x-x/2=3/4
2x/2=3/4
x=3/4
The other one is 3/4