mr. harris painted 85 identical apartments. he used the same amount of paint in each apartment. he used a total of 1343 gallons of paint. how many gallons of paint did he use for one apartment?

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?