Question 1028349
Use the description to set up the equation.
You MUST have omitted the decimal point and really want 4.70 DOLLARS PER POUND price result.  Otherwise, the "47" makes no sense.


x, how much of the $6 per pound coffee to use.


{{{(6x+50*11)/(x+50)=4.7}}}  
You can finish this.


x=138  to three significant figures.