<span>Well 68/80 as a percent is 85 % .I got that by dividing 68 by 80 and them multiplying by 100. 100-85= 15. So therefore the dress decreased in price by 15%. </span>
Answer:
Step-by-step explanation:
-x+4y=16
-x=16-4y
x=(16/-1)-(4y/-1)
x=-16+4y
A machine produces 240 bolts in 25 minutes. At the same rate how many bolts would be produced in 45 minutes
According to the question, the line is through the points
and 
To calculate the slope using standard formula that is :

Now the slope equation will be: 

The slope-intercept form is:
What is the equation of the line?
To represent the set of points in an algebraic form is known as the equation of line. The set of points represent lines in the coordinate system. The parameters can be calculated and those parameters are slope and y-intercept.
To learn more about the equation of the line from the given link:
<u>brainly.com/question/14037984</u>
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Rewrite using the formula for the standard form
The answer is y-4x^2 + 12x + 9