A private jet flies the same distance in 10 hours a commercial jet flies and 5 hours if the speed of a commercial jet was 157 mph less than three times the speed of a private jet find the speed of each jet

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for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2

ratio is 2 : 9

the answer is three

13.5 : 3