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a square has a length of 5 inches. Then it is increased by 20%. Then the same square has a width of 10 inches and it is increased by 10%. How Many Percents has the area of the square been increased By?
Thanx 4 your Help

  • math -

    old area = 50
    new length = 5+1 = 6
    new width = 10+1 = 11
    new area = 66
    percent = 100 (66-50) /50

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