A unit fraction is a fraction whose numerator is 1.
1. 3/5
2. 15
3. 1/15
4. 1 2/3
Answer :
(1)
Use FOIL method to mulitply (3x – 5)(3x – 5)
(2)
Use FOIL method to mulitply (3x - 5)(3x + 5)
(3)
Use FOIL method to mulitply -(3x + 5)(3x + 5)
(4)
Use FOIL method to mulitply -(3x + 5)(3x - 5)
So equation 2 is true
Well the displacement of milage from the 2 places if 75km however, the women and her car are in the same place so there is no displacement. But 75km is the correct mathematical answer.