Question

The temperature at 6 P.M. was 15°F. By 8 P.M. it had dropped 9 degrees, and then by 10 P.M. it had dropped another 11 degrees. What was the temperature at 10 P.M.?

Answer 1

`-5°F` at 10 pm

Explanation:

At 6 pm temperature`= 15°F`
At 8 pm temperature`= 15°F-9°F`
At 10 pm temperature`=( 15°F-9°F)-11°F`

`(15-9)-11=-5°F`