algebra

the length and width of a rectangle are each increased by 20%. by what percent is the rectangles area increased?

  1. 👍 0
  2. 👎 0
  3. 👁 92
asked by Linda
  1. A = lw
    (1.2*l)(1.2*w) = 1.44*lw = 1.44A
    So, the area has increased by 44%

    1. 👍 0
    2. 👎 0
    posted by Steve

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    the width of a rectangle is 4cm and the length is 8 cm if both the width and the length are increased by equal measures, the area of the rectangle is increased by 64 cm 2. find the length and width of the larger rectangle

    asked by carl on October 26, 2014
  2. mathematics

    When the length of a rectangle is increased by 20 percent and the width is increased by 10 percent, by what percent is the area increased?

    asked by Anonymous on March 17, 2018
  3. math

    a rectangle is twice as long as it is wide. if both of its dimensions are increased by 4m, its area is increased by 88m^2 find the dimensions of the original rectangle Original rectangle = w for width and 2w for length. Area = w x

    asked by samantha on November 29, 2006
  4. trigonometry

    the length of a rectangle is 2cm longer than the width. if its length and width are both increased by 4cm, its area is increased by 72 cm^2. find the dimensions of the original rectangle.

    asked by lesley on October 10, 2011
  5. trigonometry

    the length of a rectangle is 2cm longer than the width. if its length and width are both increased by 4cm, its area is increased by 72 cm^2. find the dimensions of the original rectangle.

    asked by lesley on October 10, 2011
  6. math

    The length of a rectangle is increased by 50%. By what percent would the width be increased to keep the same area? a.43/3 b.45/4 c.33-1/3 d.31-1/3

    asked by chevlios on February 13, 2015
  7. math

    the length of the rectangle is increased by 50% by what percent would the width be increased to keep the same area. a.43/3 b.45/4 c.33-1/3 d.31-1/3

    asked by chevlios on January 22, 2015
  8. math

    the dimensions of a rectangle are such that its length is 3 inches more than its width. if the length were double and if the width were decreased by 1 inch, the area would be increased by 66inches ^2. What are the length and width

    asked by fernando on March 24, 2011
  9. Math 116

    If the length of a rectangle is increased by 10% and the width of the rectangle is decreased by 10%, is the area changed? If so, does it increase or decrease and by what percent? Explain your answer.

    asked by Dawn on October 14, 2014
  10. Math

    If the length of a rectangle is increased by 10% and the width of the rectangle is decreased by 10%, is the area changed? If so, does it increase or decrease and by what percent? Explain your answer.

    asked by StevenB on October 19, 2014

More Similar Questions