Answer:
Weight of Whole melon is
.
Explanation:
Given:
Weigh of melon given to neighbor =

can be rewritten as

Weigh of melon given to neighbor =

Also Given:
Weigh of melon of remaining piece =

We need to find the weight of the whole melon.
Solution:
weight of the whole melon is equal to sum of Weigh of melon given to neighbor and Weigh of melon of remaining piece.
Framing in equation form we get;
weight of the whole melon =

Hence Weight of Whole melon is
.