it takes a lady 26 minutes to travel 3 km by walking the first part at 6 km per hour and running the second part at 10 km per ho
1 answer:
You might be interested in
You need to swap the x values around. They need to be given in the same order as the y values. The sum should be:
Answer:
Option D.
Step-by-step explanation:
The given system of equations is
...(1)
...(2)
On simplifying the second equation, we get
On dividing by -1, we get
...(3)
It is clear that equation (1) and (3) are same equations. It means equation (1) and (2) represent the equivalent equation.
So, the given system of equations has infinitely many solutions.
Therefore, the correct option is D.