Answer: Melinda lives 14 blocks from his grandparents.
Explanation:
Since we have given that
Distance at which Bart lives from his grandparents = 6 blocks
Distance at which Melinda lives from his grandparents as Bart does = 8 blocks
As we have given that Melinda lives 8 blocks farther than the Bart does from the grandparents ,
So, we use the addition operation to calculate the farther distance.
Total distance at which Melinda live from her grandparents is given by

Hence, Melinda lives 14 blocks from his grandparents.