There are 120 planes. 2/3 are parked. 2/5 are jets and 1/8 are ready for take off. what fraction of the total are not jets

41/120

2/3 of 120 is 80, you have 40 left

2/5 of 40 is 16, you have 24 left

1/8 of 24 is 3.

Subtract those totals and you will get 41 leftover.

The function to represent the increasing number of rabbits per yer is

Solution:

The number of rabbits released each year is 8.

During 0 year, there will be 8 rabbits;

During year 1, the number of rabbits will be (or)

Similarly, during the year 2, the number of rabbits will be or

So, according to the pattern we can conclude that the function would be  

where x is the number of years.

On year 4, the total number of rabbits will be = 128