If a turtle crawls 3 yards in one hour how far will the turtle crawl in an 1/4 of an hour

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?

Fast! find the length of cu. the triangles are similar. show your work.

Math question.. plz me .. best answer all