EM-1131
Rate and average speed
E Math · Secondary 3 · Medium · Rate and average speed
Ray jogs at a constant speed of km/h for 3 km and then increases his speed to km/h for the remaining 5 km of an 8 km race.
Find, in terms of , the total time taken (in hours) for Ray to complete the race.
Find, in terms of , the total time taken (in hours) for Ray to complete the race.
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