Two trains are 500 miles apart when they first enter a collision course. If, after two hours, the distance between them is 300 m

Question

3 years ago

15

iles and one train goes 20 mph faster than the other, find the speed of the faster train.

1 answer:

MrRissso [65] · Answer 1 · 2021-12-13T10:52:52+03:00

6 0

Answer:

The faster train goes 60mph

Step-by-step explanation:

s= speed

s+20 is the faster train.

Then you are given:

200/s+s+20=2

200=2*(2s+20)

4s+40=200

4s=160

s=40 is the slower train

40+20= speed of faster one

s=60 ;)