Mark M. answered • 04/16/17

Mathematics Teacher - NCLB Highly Qualified

f represents fee

c represents cost

Assume

f = 0.05c

For every x increase in cost you want the fee to decrease 0.0005

f = 0.05 - 0.0005x)(c + x)

Good?

Scott V.

asked • 04/16/17I am trying to understand a maths problem to figureout an automated fee calculator.

I want to base a fee on a % of cost, however as the costs increase i want the % figure to decrease.

More

Mark M. answered • 04/16/17

Mathematics Teacher - NCLB Highly Qualified

f represents fee

c represents cost

Assume

f = 0.05c

For every x increase in cost you want the fee to decrease 0.0005

f = 0.05 - 0.0005x)(c + x)

Good?

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Scott V.

With further searching, I think I found it

y=mc+c as I am trying to find a point on a hypotenuse

http://www.mathplanet.com/education/algebra-1/formulating-linear-equations/writing-linear-equations-using-the-slope-intercept-form

04/16/17