Answer:
answer is 3
there are two ways to solve it. I hope you understand.
Calculate the mean for 31 29 33 37 43 38 33 40
2 answers:
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<u>Answer:</u>
According to Question , a plane travels 120 miles in 2 hours. So here we will use unitary method .
Here it was a case of direct proportion in which if two things are directly proportional to each other. If one thing thing increases then the value of second also increases. Here if the time increases then the distance also increases