Answer:
Step-by-step explanation:
your questions are out of focus...
the answer is 29x + 72, none of the following options does not have the answer
Fast train speed: 69 km/h
Slow train speed: 39 km/h
Fast train:
-Time: 4.33
-Speed: x
-Distance: 4.33x
Slow train:
-Time: 7.66
-Speed: x - 30
-Distance: 7.66(x - 30)
7.66(x - 30) = 4.33x
7.66x - 229.8 = 4.33x
3.33x = 229.8
x = 69
4567890
4e576890
