a 21% oil gas mixture is to be formed by mixing 80% and 20% oil-gas mixtures. if 35 L are required how much of eash shoild be used?

this is not an educational question, do not offer numerous points just for your own entertainment

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step-by-step explanation:

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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