Question

Two trains, the Express and the Commuter, leave the station at the same time. The Express, which heads north, travels 10 km per hour faster than the Commuter, which goes east. If the trains are 100km apart after 2 hours, find the speed of each train.

Answer 1

((10+k)t)^2 +(kt)^2

plug t=2
((10+k)2)^2 + 4k^2=10000

Answer 2

I got k=30

Answer 3

Solve the following for c\[(2 (10+c))^2+(2c)^2= 100^2\]Commuter's speed = 30 kmh, Express' speed = 40 kmh

Answer 4

2 trains, Express and Commuter, leave the station at the same time. Express, which heads north travels 10km per hour faster than Commuter, which goes east.

Answer 5

Two trains leave the station at the same time, one heading east and the other west.

Answer 6

Two trains leave the station at the same time, one heading east and the other west.

Answer 7

Two trains leave the station at the same time, one heading east and the other west.

Answer 8

Two trains leave the station at the same time, one heading west and the other east.

Answer 9

Two trains leave the station at the same time, one heading west and the other east.

Answer 10

Two trains leave the station at the same time, one heading west and the other east.

Answer 11

Two trains leave the station at the same time, one heading west and the other east.

Answer 12

Two trains leave the station at the same time, one heading west and the other east.

Answer 13

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Answer 14

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Answer 15

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Answer 16

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Answer 17

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Answer 18

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Answer 19

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Answer 20

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Answer 21

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Answer 23

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Answer 24

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