A saleswoman earns a 30% commission on all the merchandise that she sells. Last month she sold $400 worth of merchandise. How mu
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For this case we must resolve the following inequality:
Adding 7 to both sides of the inequality:
Different signs are subtracted and the major sign is placed.
Thus, the solution is given by all the values of "x" less than -5.
The solution set is: (-∞, - 5)
Answer:
See attached image
