Respuesta :

vcseke
mean (average) = all number added together/amount of numbers

(13.2 + 11.9 + 11.8 + 9.7 + x)/5 = 12.2
46.6 + x/5 = 12.2
46.6 + x = 61
x = 14.4

the heaviest fish weighs 14.4 lbs

ACCESS MORE