Ln bisects klm into two congruent angles measuring (3x-4) degrees and (4x-27)degrees. find m klm a.65 b.75 c.130 d. 155

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Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?