SOLUTION: two boats leave at the same time, one goin north and the other goin souththe north ound boat travels at 16mph. faster than the boat going south. If south bound boat is traveling 47
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Question 326008: two boats leave at the same time, one goin north and the other goin souththe north ound boat travels at 16mph. faster than the boat going south. If south bound boat is traveling 47mph how long before they are 1430 miles apart
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
south bound boat speed = 47mph
north bound boat speed = 47+16 = 63 mph
..
let north bound boat be x miles from starting point when they are 1430 miles apart
south bound boat will be 1430-x miles
..
They travel these distances in the same time
time of north bound boat = x/63
time of south bound boat = 1430-x/47
Add 63x to both sides
divide by 110
The speed of north bound boat =63mph
distance it has traveled = 819 miles
Time taken =
Time taken = 13 hours
..
..
CHECK
south bound boat travels
1430-819=611miles when they are 1430 miles apart
speed = 47 mph
time = 611/47
time = 13 hours
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