The answer would be -1 1/6. Hope this helps!
Answer:
11 L of 20% juice and 4 L of 5% juice
Step-by-step explanation:
Let
x L = amount of 20% juice
y L = amount of 5% juice
<u>20% juice:</u>
Amount = x L
Amount of juice
L
<u>5% juice:</u>
Amount = y L
Amount of juice
L
<u>16% juice:</u>
Amount = 15 L
Amount of juice
L
We mixed x L of 20% juice with y L of 5% juice to get 15 L of 16% juice, so

and

From the first equation:

Substitute it into the second equation:

Answer:
B
Step-by-step explanation:
%change=100(final-initial)/initial
%change=100(64.5-79.95)/79.95
%change≈ -19.32%
So it's about a 19 1/3% markdown off the original price...
1/3
Convert to a fraction over 100.
33.33/100
That would be 33.33% or 33 1/3%