milkshakegrande101
09.07.2019 •
Mathematics
Two cars traveling toward each other are 250 miles apart. car a is traveling 15 miles per hour faster than car b. the cars pass after 2 hours. how fast is each car traveling?
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Ответ:
Let car b be travelling at x mph. as they are travelling towards each other their speed of approach is (x + x + 15 ) mph. So we have the equation
speed = distance / time
2x + 15 = 250 / 2
2x = 125 - 15 = 110
x = 55 mph
Car b travels at 55 mph and car a travels at 70 mph Answer
Ответ:
x=9
hope this helps XP!