The probability that a homeowner owns a lawnmower is 0.7. The probability that a homeowner owns a

Question:

The probability that a homeowner owns a lawnmower is 0.7. The probability that a homeowner owns a weed wacker is 0.5. The probability that a home owner owns both a lawnmower and a weed wacker is 0.3. If a homeowner is selected at random, find the probability that he or she owns either a lawnmower or a weed wacker.