Sandy is selling her jewelry at a craft show. She has already sold 50 necklaces and sells 4 per hour (h). Write an equation that
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The Answer would be x=72. Why? Because 
is your %. You Cross multiply 240 * 30 = 100x
240 time 30 = 7200. you want x to be alone so you do 7200 divided by 100 equaling 72. So you get x=72.
240 time 30 = 7200. you want x to be alone so you do 7200 divided by 100 equaling 72. So you get x=72.
First simplify the square roots: 
Then simplify the last two terms:
Since 61 is prime, you can't take a rational root out of it.
Then simplify the last two terms:
Since 61 is prime, you can't take a rational root out of it.