A Car travels 192 kms at an average speed of x km/hr. A second Car travels the same distance at an average of (x + 4) km/hr. If the
second Car arrives 4 hours earlier than the first, the speed of the former is:
Select one:
O a. 16 kms/hr
O b. 2 kms/hr
OC.5 kms/hr
O d. 4 kms/hr
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