# Linear Equations - Weight of Envelope

A half ounce envelope containing 40 sheets of paper weighs 6.9 ounces.

Write a linear equation that expresses total weight in ounces of a envelope as a function of x, the number of sheets of paper it contains.

### Comments for Linear Equations - Weight of Envelope

 Apr 11, 2013 Weight in Ounces by: Staff Answer Part I The slope intercept form of a linear equation is shown below: m = slope b = y-intercept applying the concept to the envelope and paper problem T = equivalent to y = total weight of envelope and paper E = equivalent to the y-intercept, b = weight of empty envelope = ½ ounce P = equivalent to the slope, m = weight of individual sheet of paper x = number of sheets of paper contained in the envelope solve for P Substitute the following values in the Linear Equation: E = 0.5 ounces T = 6.9 ounces x = 40 sheets -------------------------------------------

 Apr 11, 2013 Weight in Ounces by: Staff ------------------------------------------- Part II subtract 0.5 from each side of the equation Divide each side of the equation by 40 The final equation is: A graph of this equation is shown below: Thanks for writing. Staff www.solving-math-problems.com