One bag holds 12 bolts. several bags filled with bolts are packed into a box and shipped to the factory. the box contains a total amount of 2,760 bolts. how many bags of bolts are in the box?

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?