Find the indicated length. Use the letters that corresponds with the correct answer. 27
B
с
E
А
H
18
H
a. 9
b. 15
c. 21
d. 12
e. 6
18. DE
21. AB
19. AC
22. BD
20. CE
23. BE

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?