If a man is running at 2 kilometers an hour how long will it take him to reach his destination of 15 miles

It will take him 9 hours I think.

I believe it would take 4.5/ 4 and a half hours because 1 mile = 1.6 kilometres and 15/3.2 is 4 and a half hours

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

the answer will be b x² +x-1

step-by-step explanation: