ANSWER ASAP PLEASE An airplane takes 9 hours to travel a distance of 7128 kilometers against the wind. The return trip takes 8 hours with the wind. What is the rate of the plane in still air and what is the rate of the wind?

R=6,480/9=720 kmh

6,480/720 is the rate..

answer: the answer is one of

step-by-step explanation:   we are given to write a proper fraction where the whole is divided into an even number of equal parts less than ten, and an odd number of those parts exist.

an even number less than 10 may be one of 2, 4, 6 or 8. so, the whole may be one of these four evens.

now, an odd number of these parts must exist, so the numerator must be an odd number, one of 1, 3, 5 or 7. it cannot be 9 because then the fraction will become improper.

thus, our fraction may be one of the following