Answer:
Option A. 356 gidgets
Step-by-step explanation:
we have
R(x) ----> the monthly revenue function
C(x) ---> the monthly cost function
x ----> the number of gidgets sold


we know that
Break-even means that the revenue equals cost
so

solve for x



So it's best in this case to separate both shapes so you have a rectangle and a triangle so to solve the area of a rectangle you do
The following ( picture )
So I hope this helps
An input is were you put a number to get the answer. a output is were you take away the answer to get the correct
Set up multiplication of ratios so that they cancel out units that you do not need in your final answer...
5lb($4.20/2lb)=$10.50