WhiteRabbit
If the perimeter of the square at the right is 72 units, what are the values of x and y? (Will attach picture.)



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WhiteRabbit
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dw:1350348560300:dw

WhiteRabbit
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i did 3y + 2x = 36 and 4x + 6y = 72 to try to do eliminationt but.... that doesn't make any sense...

tjones89
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what do you know about the sides of a square?

WhiteRabbit
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they equal 72

tjones89
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but how do the sides of a square relate to each other?

tjones89
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and i mean any square not just this one

WhiteRabbit
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oops i few the picture wrong.... it's supposed to be 3y not 3x...

tjones89
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yea I figured from the equations that was supposed to be a y

WhiteRabbit
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the sides of the square equal each other?

tjones89
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yes

tjones89
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so if you relate that to the square in your problem you can safely say that 2x = 3y

WhiteRabbit
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so 2x = 3y and 8x= 72?

tjones89
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yes

WhiteRabbit
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and x = 9 so 2x is 18 and 3y is 27?

tjones89
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3y = 2x so 3y should equal 2 * 9

WhiteRabbit
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hmm but.... myeh so y = 6?

tjones89
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yes good work

WhiteRabbit
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hehe thanks