Solve 3a – 8= 5a + 12

Show your work. (please)

15/16 as a decimal rounded to the nearest hundredth

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

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?