How many animals should be tested for the average cost to be $3.50 per animal? 220,00 set up cost.

(Remember we cannot have partial animals)

HOPE THIS HELPS I'M SO LOST>>>> Here we are working backwards. Look at questions 7 and 8 and think about how we can do the opposite process.Question 7 ($2200 + 1.5x) 1.5*250+$2,200 =$2,575.00