Algebra - Ch. 2: Word Problem (32 of 46) Type 9: Distance, Velocity, Time: Ex. 4

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In ths video I will solve Type 9 of Example 4 word problem: Eric starts running. One and a half hours later Kyle tries to catch him with a bicycle traveling 2.5 times as fast. If Kyle catches Eric 20km down the road. How fast did Eric run?

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Is it possible to equate velocities and solve the problem
Is it possible to equate distance to solve the problem
Basically how would anyone know to pick d=d, v=v, t=t problem
Ex. Cant we say v= v /2.5?
The first this I though was the distance is the same thus lets equate the two but I was not even close to solving it

Golden_Tortoise