Answer:
A.) A person weights 80 kg can consume Haddock fish = 149 grams
B.) A person weights 80 kg can consume Swordfish fish = 8 grams
C.) A person weights 80 kg can consume Tuna fish = 23 grams
D.) A person weights 80 kg can consume Snapper fish = 50 grams
Step-by-step explanation:
Given - Mercury is a naturally occurring metal that can be harmful to humans. The current recommendation is for humans to take in no more than 0.1 microgram for every kilogram of their weight per day. Fish generally carry high levels of mercury, although certain fish have higher mercury content than others. Fish, however, are healthy sources of many other nutrients, so nutritionists recommend keeping them in the human diet. The figure below shows the average mercury content of several types of fish.
To find - If a person weighs 82 kg, how much of each fish can they safely consume? round to the nearest gram.
A.Haddock
B.Swordfish
C.Tuna
D.Snapper
Proof -
Firstly, determine how many micro grams of mercury a person can consume who weighs 82 kilograms.
⇒82 × 0.1 = 8.2 micro grams.
Now,
a.)
For Haddock fish-
It consumes 0.055 micro grams of mercury
So,
A person can consume fish = 8.2 ÷ 0.055
= 149.09 ≈ 149 grams
So,
A person weights 80 kg can consume Haddock fish = 149 grams
b.)
For Swordfish fish-
It consumes 0.995 micro grams of mercury
So,
A person can consume fish = 8.2 ÷ 0.995
= 8.24 ≈ 8 grams
So,
A person weights 80 kg can consume Swordfish fish = 8 grams
c.)
For Tuna fish-
It consumes 0.350 micro grams of mercury
So,
A person can consume fish = 8.2 ÷ 0.350
= 23.43 ≈ 23 grams
So,
A person weights 80 kg can consume Tuna fish = 23 grams
d.)
For Snapper fish-
It consumes 0.165 micro grams of mercury
So,
A person can consume fish = 8.2 ÷ 0.165
= 49.697 ≈ 50 grams
So,
A person weights 80 kg can consume Snapper fish = 50 grams
</span> with b not equal to zero, so they are rational numbers.