last week nemo learned that he swims an average speed of 30 mile per hour in still water nemo decided to leave his reef and swim downstream to visit his father marlin. the trip only took him 9 hours because he was swimming against the current. write and solve a system to find the distance from nemos reef to his fathers reef and the speed of the current

Explanation is in the file

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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

i am unable to solve this problem

step-by-step explanation: