Question 124495
2,500+3x=cost to text x animals.
(2,500+3x)/x=average cost to test x animals.
(2,500+3*10)/10
(2,500+30)/10
2,530/10=$253 average costto test 10 animals.
(2,500+3*100)/100
(2,500+300)/100
2,800/100=$28 average cost for 100 animals.
(2,500+3*1,000)/1,000
(2,500+3,000)/1,000
5,500/1000=$5.50 average cost for 1,000 animals.