Answer:
the weight of the heaviest fish was 15 lb
Explanation:
? , 13.2,13.2,12.2, 9.9
the average of the top five fish=12.7
find Wayne S.'s fish weight:
the sum of the weight of the fish divided by the number of fish =average weight:
(x+13.2+13.2+12.2+9.9)/5=12.7
x+48.5=5*12.7
x+48.5=63.5
x=63.5-48.5
x=15
Wayne Fish weighs 15 lb
the weight of the heaviest fish was 15 lb