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2 cars leaving Hyland at the same time, one traveling North and the other going South. The 1st car is driving 6 mph faster than the 2nd car. After 2.5 hours they are 345 miles a…

2 cars leaving Hyland at the same time, one traveling North and the other going South. The 1st car is driving 6 mph faster than the 2nd car. After 2.5 hours they are 345 miles a…
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2 cars leaving Hyland at the same time, one traveling North and the other going South. The 1st car is driving 6 mph faster than the 2nd car. After 2.5 hours they are 345 miles apart. What is the speed of the 1st car ?

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User Kamyar Gilak
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2 Answers

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What is the speed of the 1st car ?
2 cars leaving Hyland at the same time, one traveling North and the other going South-example-1
answered
User Alessandro Scarlatti
by
8.9k points
1 vote
(a+a+6)*2.5=345
2a+6=138
a=132/2
a=66 mph
a+6=66+6=72 mph
Speed of the first car is 72 mph
answered
User Malonge
by
7.8k points
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