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anonymous

  • one year ago

The perimeter of a rectangle is 96 ft. The ratio of its length to its width is 7 : 5. What are the dimensions of the rectangle? A. 30 ft by 18 ft B. 28 ft by 20 ft C. 24 ft by 24 ft D. 22 ft by 26 ft

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  1. anonymous
    • one year ago
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    @madhu.mukherjee.946 @hartnn

  2. midhun.madhu1987
    • one year ago
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    Perimeter of Rectangle P = 2 * ( l + b ) Let length, l = 7x and Breadth, b = 5x P = 2 * ( l + b ) 96 = 2 * ( 7x + 5x ) Solve for x. Then Find length and breadth.

  3. anonymous
    • one year ago
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    i'm getting C is that right?

  4. midhun.madhu1987
    • one year ago
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    Can you let me know how you got that answer?

  5. anonymous
    • one year ago
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    7x+5x=12x*2=24

  6. midhun.madhu1987
    • one year ago
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    96 = 2 * ( 7x + 5x ) 12x * 2 = 96 24x = 96 What is the value of x?

  7. anonymous
    • one year ago
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    do you divide?

  8. anonymous
    • one year ago
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    no you dont ok

  9. anonymous
    • one year ago
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    i'm still confused on what to do next?

  10. midhun.madhu1987
    • one year ago
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    24x = 96 Divide both sides by 24. What you get?

  11. anonymous
    • one year ago
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    1 and 0.25

  12. midhun.madhu1987
    • one year ago
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    24x = 96 so, x = 96 / 24 = 4 we got the value of x = 4. Now find length = 7x = 7 * 4 = 28 Breadth = 5x = 5* 4 = 20

  13. anonymous
    • one year ago
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    ohhh ok it was B all along

  14. midhun.madhu1987
    • one year ago
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    yep :)

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