15 - 7 = 8 so there are many you can do like:
16 - 8 = 8
20 - 12 = 8
22 - 14 = 8
and so on, there are many.
Answer: The speed of Bob is 56.8 km/hr.
Step-by-step explanation:
Let the speed of Bob be 'x'.
Let the speed of John be 'x-8'.
Distance covered = 230 miles
time = 
According to question, we get that

Hence, the speed of Bob is 56.8 km/hr.
I dont get how to work this one out give me a secod
Answer is 6/11
Explanation :-

Now open left side brackets and multiply 2 with each on left,

Now, bring the common values together for easier calculation.



As we cant divide 6/11 , we write it as it is.
Therefore, <em>value of x is <u>6/11</u></em>