Question 9
Ben travels from his house to Sports Hall every Saturday. One Saturday, instead
of walking at his usual speed, he decided to walk slower at 1.2 m/s and arrived
at the destination 250 seconds later than his usual arrival time. The next
Saturday, he jogged at 3 m/s and arrived at the place 500 seconds earlier than
his usual arrival time. What is Ben’s usual walking speed?
of walking at his usual speed, he decided to walk slower at 1.2 m/s and arrived
at the destination 250 seconds later than his usual arrival time. The next
Saturday, he jogged at 3 m/s and arrived at the place 500 seconds earlier than
his usual arrival time. What is Ben’s usual walking speed?