Answer:
The inequality is true.
Step-by-step explanation:
To show that it is true, you simply sub in 4 for x and 5 for y and see if the statement is true or not
7(4)-3(5) < 19
28-15 < 19
13 < 19
Using this formula, the gross profit percentage is approx. 75%
subtract 1/3x
so that you can get qui equatio








There are two critical points, at which we have

