Change r
---------- = ------- you use this formula, then cross multiply.
original 100
56-45 =change original=45
Anything to the 0 power is 1
and 1 to the any power is 1
so x can be any number
250m/s = x m/min
250m/s = x min/ 60s
250•60 = 1500
The airplane will travel 1500m per minute
If he swan the length and the width of the pool it would be 21 x28 = 588 sq ft.
by swimming the length and the diagonal of the pool (25 ft) found that by using the pythagorean therom so now you are multiplying 21 x 25 = 525
588-525= 63 ft he is saving
