Help please

II. show solution.

11-15. If you drive at 120km/hr for 5 hours, how far will you go?

16-20. Sarah can backstroke at an average speed of 7.6 meters per second. How long will it take her in minutes to compare a race of 15km?

21-25. You arrive in my class 45 sec after leaving math which is 90 meters away. What is your speed?

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