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Maths Puzzle
Numerical Ability
May I please have some help? A soccer field is 336yd^2. The width is 5yd longer than its length. What is the length and width of the soccer field. Thanks for your help.
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Please show me how to work this.
x+5/-1
What values for x must be excluded? The answer is none, but I cant figure it out!
My problem:
A plane flies 400 miles with the wind and 320 miles against the wind in the same length of time. If the speed of the wind is 20 mph, whqat is the speed of the plane in still air?