2(x - 3) + 1 = 3x + 4
2 answers:
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Answer:
Local say "L" is going at a speed of 35mph...ok... and Express or "X" is going at 56mph.
by the time the two trains meet, and X is ready to overtake L, the distance that both have travelled, since is a parallel road, is the same, say "d". So if L has travelled "d" miles, then X had travelled "d" miles too, over the same road, maybe different lane.
now, because X left 1 1/2 hour later, by the time they meet, say X has been running for "t" hours, but because it left 1 1/2 hour later, L has been running for " t + 1 1/2 " hours, or " t + 3/2 " hours.
Step-by-step explanation:
so, they met 2 and a half hours later after X left, and a milllisecond later X overtook L.
