Need algebra help with word problem

Algebra
Tutor: None Selected Time limit: 1 Day

It took an airplane 3 hours to fly 1,260 miles against a headwind. The return trip with the wind took 21/3 hours. Find the speed of the plane with no wind and the wind speed.

The speed of the plane is ____________ mph

the wind speed is _____________mph

Apr 12th, 2015

speed against= 1260/3= 420miles/hr

speed wth wind= 1260*3/7= 540miles/hr

let speed of plane be x, wind =y 

x-y=420

x+y=540

2x=960

x=480miles/hr

y=60miles/hr...........................best me please

the plane speed is 480mph

the wind speed is 60mph

Apr 12th, 2015

A florist makes large bouquets and small bouquets. The workers can make at most 500 bouquets per day. Each large bouquet requires 80 flowers, and small bouquets requires 40 flowers. There are 1500 plants available. The income from each large bouquet is $250 and from each small bouquet is $125. How many of each size bouquet should be made to maximize income?

Apr 13th, 2015

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Apr 12th, 2015
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Apr 12th, 2015
Dec 6th, 2016
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