math word problem help?

2 ⤊

math word problem help?

A plane flies 1,480 miles in 4 hours, with the wind. On its return trip, it took five hours flying against the same wind to go 1,150 miles. How fast will the plane have flown without any wind?

2007-07-06 13:34:18 · 3 answers · asked by *05* 1 in Science & Mathematics ➔ Mathematics

3 answers

1480 miles/ 4 hrs = 370 mph
1150 miles/ 5 hrs = 230 mph

x + wind = 370
x - wind = 230
2x = 600
x = 300 mph

2007-07-06 13:45:25 · answer #1 · answered by Steve A 7 · 1⤊ 0⤋

Let the speed of the plane is x m/h, and the speed of the wind is y mph.

x + y = 1480 / 4 = 370
x - y = 1150 / 5 = 230
_________________ +

2x =600

x = 300

Answer: 300 miles per hour

2007-07-06 13:47:23 · answer #2 · answered by ? 5 · 0⤊ 0⤋

Use your brain?

2007-07-06 13:42:09 · answer #3 · answered by Anonymous · 1⤊ 3⤋