September : 12
october: 18
november : 16
together in sept. and oct. = 12+18 = 30
number of books he read more in sept. and oct. then just nov.= 30 - 16 = 14
in short, the answer is 14 books.
hope it helps you!
Answer:
50.757575756
Step-by-step explanation:
I put it in calculator and transformed it.
1 1/3 /
5/6
=
8/5 or 1 3/5
(-25) + 10 + (-5) = -20 feet is his current position. To reach zero, he should add 20 feet to his altitude.