Compare and contrast the stratosphere and the mesosphere

The stratosphere starts just above the troposphere and extends to 50 kilometers (31 miles) high. Compared to the troposphere, this part of the atmosphere is dry and less dense. The temperature in this region increases gradually to -3 degrees Celsius, due to the absorption

This is in the wrong category this is science and you put this question in math sorry I'm not trying to be rude ;)

(8/9) / 6 =
8/9 * 1/6 =
8/54 which reduces to 4/27 of the book each day <===