Troy rides his bike for 7 hours and 30 minutes for 20 kilometers. What is his speed in miles per hour

1.65698933mph or 1.66

Step-by-step explanation:

20 kilometers divided by 7.5 hours is two and two-thirds kilometers per hour and once you convert the kilometers to miles you get 1.65698933 miles per hour. You can round it if you want some math teachers I have had didn't want me to round so I gave you both options.

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

cut 138 centimeters off

step-by-step explanation:

250-112 = 138