Question 1054252
C(x)=x^2-10x+61
8500=x^2-10x+61
x^2-10x-8439=0
x=(1/2)(10+/-sqrt (100+33756)); sqrt term=184
x=(1/2)(10+184), positive root only
x=97 units ANSWER
check
97^2-970+61=9409-970+61=$8500