Asked by Jenn

The freight train runs 12miles per hour than a passenger train. It runs 65miles in the same time that the passenger train runs 165miles find the rate of each train. I don't really know the formula using quadratic im sorry

Answers

Answered by Damon
I suspect typos and there is no quadratic involved as it is stated.
v = passenger train speed
(v - 12) = freight train speed

(v-12)t = 65
v t = 165

so
65/(v-12) = 165/v

65 v = 165 v - 1980

100 v = 1980

v = 19.8 mph
v-12 = 7.8
Answered by LOL
it quadratic word problem.
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