Question

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

increase in width = 9 m

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