Sunday

December 21, 2014

December 21, 2014

Posted by **gagan** on Thursday, January 22, 2009 at 9:30pm.

can you plz help

thx I really am thankful to have found a forum that really cares. Thanks

- Math -
**Reiny**, Thursday, January 22, 2009 at 10:09pmLet the speed of the plane with no wind be x km/h

let the speed of the wind be y km/h

then into the wind, the actual speed of the plane is x-y km/h

and 960/(x-y) = 10/3 which reduces to

x - y = 286 (31)

with the wind:

960/(x+y) = 5/2 which reduces to

x + y = 384 (#2)

add #1 and #2 to get 2x = 672

x = 336, subbing back I got y = 48

so the speed of the plane is 336 km/h

and the speed of the wind is 48 km/h

check: (10/3)(336-48) = 960

(5/2)(336+48) = 960

**Answer this Question**

**Related Questions**

math - a small plane flying into the wind takes 3 hrs 20 min to complete a ...

math - a small plane flying into the wind takes 3 hrs 20 min to complete a ...

Math - A small plane flying into the wind takes 3h 20 min to complete a flight ...

Math - Flying into the wind, a plane takes 8h to travel 5432 km from Paris to ...

Math - Flying into the wind, a plane takes 8 h to travel 5432 km from Paris to ...

Math - A plane can fly 140 mph in calm air. Flying with the wind, the plane can ...

Math Ms. Sue please help - Flying to Kampala with a tailwind a plane average ...

algebra-word problem - Flying to Kampala with a tailwind a plane averaged 158 km...

College Math - Im having a hard time trying to figure out how to do this problem...

math - Flying to Seoul with a tailwind a plane averaged 343 mph. On the return ...