Question 466696: Hello and thank you for your help. Could you please help me with this: given the function C(x)=1.4x/100-x C=cost in millions of dollars and x percent of the citizen participating.
a). Find the cost if 60% of citizens participate.
b). Determine the percentage of participation expected if $4 million is spent. Set up an equation and solve algebraically. Round to the nearest whole percent.
Thank you so much and HAPPY 4 OF JULY. Answer by robertb(4012) (Show Source):