Answer:
12 sq units
Step-by-step explanation:
height = 3
length = 4
A = l · w
A = 12
The 60$ system had a greater percentage decrease because it was a lower number to begin with. Taking the same portion out of two different numbers will always be a greater decrease for the lower number.
Let
x--------> the amount of gummy candy in pounds
y--------> the amount of jelly beans in pounds
z--------> the amount of hard candy in pounds
we know that
--------> equation 
--------> equation
--------> equation
Substitute equation
in equation
and equation 
----->
------> equation 
----->
------> equation
using a graphing tool ------> Solve the system of equations
see the attached figure
the solution is the point 

<u>Find the value of x</u>
therefore
<u>the answer is</u>
the amount of gummy candy is
the amount of jelly beans is
the amount of hard candy is