Question

the distance between two station is 300 km. two motorcyclist start simulataneously from these stations and move toward each other. the speed of one of them is 7 km per hour more than that of the other if the distance between them after 2 hours of their start is 35 find the speed of each motorcyclist. check your solution​

Answer 1

Step-by-step explanation:

According to the question after time 2h

300=(v+7)2+34+v2 [dist= velocity× time]

300=2v+14+34+2v

300=4v+48

4v=252

v=63 km/h

Check: Put v=63 in the equation then RHS converts to

(63+7)2+34+63×2

70×2+34+63×2

140+34+126

300

Which is equal to LHS.

Answer 2

Answer:

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Step-by-step explanation:

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