Ms. Green's car has a 15-gallon gas tank. Iff represents the fraction of a tank of gasoline left in Ms. Green's car, which expression represents the number of gallons Ms. Green would need to pump in order to fill the tank?

A=15/f
B=15f
C=15-15f
D=15-15/f

7

step-by-step explanation:

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %

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