Answer:
The answer is: One loaf of bread contains one and halve cups of flour.
Centimeters because its smaller than inches and meters are way to long.
The interest rate is 3.5%.
EXPLANATION
We substitute the given values into the formula;

to obtain

We divide through by 6000 to obtain,

This implies that,

We take the square root of both sides,

This gives us,

Add -1 to both sides of the equation to obtain

Multiply through by 100 to obtain;

%
5+5=10+20=30 :) that’s your answer
5.8/ sqrt 80=0.648 I think you are asking for the standard margin
Hope this works