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Answer:
b.10 inches
Step-by-step explanation:
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.
Answer:
54 is the answer because jgcbgvnhdcmhdvmhffcfhdchfscvhfchyfbjf