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Solve,The speed of a car uphill is 56 mph, speed downhill 72 mph, speed in level ground 63 mph. The time taken to travel from Town A to Town B is 4hrs, and back from Town B to Town A is 4 hours 40 minutes. What is the distance between A and B?
 one year ago
 one year ago
Solve,The speed of a car uphill is 56 mph, speed downhill 72 mph, speed in level ground 63 mph. The time taken to travel from Town A to Town B is 4hrs, and back from Town B to Town A is 4 hours 40 minutes. What is the distance between A and B?
 one year ago
 one year ago

This Question is Closed

gjhfdfgBest ResponseYou've already chosen the best response.1
Heading out, x/72 + y/63 + z/56 = 4 Returning, x/56 + y/63 + z/72 = 14/3 Now yu multiply equations(56, 63, and 72) by the LCM of denominators 7x+8y+9z= 4*7*8*9 9x+8y+7z=(14/3)*7*8*9 So now, 16(x+y+z)=(26/3)*7*8*9 & what does that equal.?
 one year ago

gjhfdfgBest ResponseYou've already chosen the best response.1
Did yu get the answer.?
 one year ago

Vshal3Best ResponseYou've already chosen the best response.0
ya,i got those 2 equations.i was looking for third equation to fing x,y and z separately.Now i found that it can be solved directly.
 one year ago

gjhfdfgBest ResponseYou've already chosen the best response.1
Alright good luck with the rest.! ^^
 one year ago
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