- #1
mikefitz
- 155
- 0
Train leaves station going 50MPH
Car leaves station going 70MPH - 2 hours later
How far til car catches train?
This should be so simple, here is what I've done:
d=50t
d=70(t-2)
50t=70(t-2)
50t=70t-140
140=20t
I get t=7 miles for my final answer, but according to the book this is wrong. Why?
Car leaves station going 70MPH - 2 hours later
How far til car catches train?
This should be so simple, here is what I've done:
d=50t
d=70(t-2)
50t=70(t-2)
50t=70t-140
140=20t
I get t=7 miles for my final answer, but according to the book this is wrong. Why?