Initially, school field is 50 meters in length with 30 meters width. After

expansion, the length increased by 20% and the area becomes 2340 square
meters, therefore the width has increased_________ meters.

1 answer

new length = 1.2(50) or 60 m
new area = 2340
new width = 2340/60 = 39

increase in width = 9 m