A ship went on a voyage. After it had travelled 180 miles a plane statrted with 10 times the speed of the ship. Find the distance when they meet from starting point.
2006-08-01 22:52:59 · 7 answers · asked by Anonymous in Games & Recreation ➔ Other - Games & Recreation
Let's say the ship is travelling - v miles/hr
and plane took 't' hours to meet the ship
Than, vt is the distance ship travelled after plane started
(10v)t = 10vt is the distance plane travelled.
So we have, vt + 180 = 10vt
or 9vt = 180
or vt = 20
Hence distance ==> 180 + 20 = 200 miles
2006-08-01 23:15:54 · answer #1 · answered by Anonymous · 6⤊ 1⤋
Tough one. Assuming the plain is trying to catch the plain in a most effective way:
The distance is 180*1.111111
So about 200 miles give or take a hair.
Explanation:
In the time it takes the plane to travel 180 miles the boat will have traveled 1/10th of that distance again. But when the plain has traveled that distance the boat has again traveled 1/10th of that distance, and on and on.
Adding this up you get a endless line on 1's making the distance 199.9999999999 but as a plane and a boat don't work on a nanoscale we can round it up to 200 miles.
2006-08-01 22:57:37 · answer #2 · answered by Puppy Zwolle 7 · 0⤊ 0⤋
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2016-12-14 20:03:19 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Depends if they were appoaching each other or going a different way
2006-08-01 23:04:46 · answer #5 · answered by Anonymous · 0⤊ 0⤋
complex point. seek in yahoo and bing. that will will help!
2015-04-29 17:18:15 · answer #6 · answered by Gary 2 · 0⤊ 0⤋
not enuff info
2006-08-01 22:57:07 · answer #7 · answered by A 3 · 0⤊ 0⤋