Answer: 
Step-by-step explanation:
The formula for area of a triangle is 
Now we have to isolate for w.
First multiply by the 2 which is the reciprocal of 1/2 to cancel it out.

Now divide by h to isolate w.
Answer: 40
Step-by-step explanation:
138/x = 207/60
8280 = 207x
divide by 207
40 = x
Answer:
Produce of 2000 candy bars is the break even point.
Step-by-step explanation:
Step-by-step explanation:
x -0.1x = x(1-0.1) = 0.9x
(5+22)x(35-27)+6x6
27 (35-27)+6x6
27x8+6x6
27x7+36
216+36
=252