Driver a had a speed of 145.155 and driver b had a speed of 145.827 and driver c had a speed of 1144.809.driver d had a speed between driver a and driver c. write a possible speed for driver d.

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?