Estimate it’s the length in meters for poster. explain

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?

What is the solution of the equation? 35√(x+2)3+3=27

Ineed to find the answer to number 2