Answer:
The amount of rubbery jello=5.038 ounce
Dried fish stick = 4.886 ounce
Mystery meat = 1.526 ounce.
Step-by-step explanation:
Solutions/Explanation: (a) Suppose the amount of rubbery jello =
ounce,
The dried fish sticks amount to be =
ounce
The amount of mystery meat = ounce.
Specification of the ingredients
Rubbery jello has: Calories=10 Cal/ounce, Protien=1 gram/ounce, Vitamin C= 30 mg/ounce
Dried fish sticks: Calories=50 Cal/ounce, Protien=3 grams/ounce, Vitamin C=10 mg/ounce
Mystery meat: Calories=200 Cal/ounce, Protien=0.2 gram/ounce, Vitamin C=0 mg/ounce,
Now,
Total calories =
.
Thus,

The, total Protien =
.
Thus,

also, total Vitamin C = .
Thus,

Therefore,
1, 2 and 3 are the mathematical models of the dietician's problem with a system of three linear equations.
(b) Now, we know three equations:

OR

From eqn 2,

From eqn 3.

OR

On solving the eqn 4, 5 and 6 for
and 
Multiplying eqn 5 by 100,

Now, subtract eqn 4 from eqn 7

Now, multiplying eqn 6 by 295. we have,

Now, subtract, eqn 8 from eqn 9, we get,



Now, substituting into eqn 6, we get

Now, substitute eqn 10 and 11 into eqn 4, we have
