2x+4y=22
-x=2y-11
does it have no solution?

No, it actually has infinite solutions.

Step-by-step explanation:

2x+4y=22 is your 1st equation

-x-2y=-11 is your 2nd equation.

Let's say you want to cancel out the x variable. Multiply the 2nd equation by 2.

Then your equations would be:

2x+4y=22

-2x-4y=-22

If you add both you will get 0=0

Since both sides are equal to each other, there are infinite solutions.

we know that speed = distance/time

so renaldo speed = 3.2/0.5 = 6.4miles/hr (since time taken is 1/2 hr)

now after 1 hr of his appoinment i.e at 5:30pm he took bus whose speed is same as before i.e 6.4 miles/hr

now time taken to cover this 4.8 miles = 4.8/6.4 = 3/4 hr (since time = distance /speed )

3/4 hr = 3/4 * 60 = 45 minutes

so he reached at 6:15pm . so he will be on time.