Two persons are walking along the same road. The first one, which travels at the rate of 5 km/hr, starts 4 hrs ahead of the second one, which travels at the rate of 10 km/hr. How long will it take the second car to catch up the with the first one ?Select one:a. 2hrsb. 1hrsc. 4hrsd. 3hrs
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I don't know this one as soon as I get it I will be giving you the answer
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