word problem for mathematics

Mathematics
Tutor: None Selected Time limit: 1 Day

May 20th, 2015

Boat speed x

Current speed 5 mph

Against current x-5 mph

With current x+5 mph

Distance = 44 miles

Time against + time with = 3 hours 40 minutes = 11/3 hours

44/(x+5) + 44/(x-5) = 11/3

LCD = (x-5)(x+5)

88x=11/3 (x^2-25)

(11/3)x^2 -88x +275/3

let me finish and send the answer please because of time. please

May 20th, 2015

(11/3)x^2 -88x - 275/3

correct this first please

May 20th, 2015


May 20th, 2015
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I hope that helps a bit.

May 20th, 2015

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