If the sale price is $57 and the discount is 5%, what is the original price?
1 answer:
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First we find the slope m as follows:
So the equation is of the form:
y = 5x + b
When x = 1, y = 5. Therefore b = 0.
So the equation is:
y = 5x
So the equation is of the form:
y = 5x + b
When x = 1, y = 5. Therefore b = 0.
So the equation is:
y = 5x
To find out the answer we divide 0.09 by 10: 
÷10=0.009.
Therefore, 0.09 is 10 times as much as 0.009.