Answer :
Weight of the John increased by 10.71 percent as he is weighing 140 pounds to 155 pounds.
As given in the question,
Original weight of John is equal to 140 pounds
John's changed weight is equal to 155 pounds
155 is greater than 140 pounds
Increase in John's weight.
Change in weight = Increased weight - actual weight
Percent of change in John's increased weight
= [ | change in weight| / Actual weight ] × 100
= [(155 - 140 ) / 140] × 100
= (15 / 140)× 100
= 10.71%
Therefore, the percent of change in John's weight is increased by 10.71%.
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