Please help it due tomorrow and I don't know what to do :)

The answer is 4.

Step-by-step explanation:

100 x -5to the second power which is 25 so 100/25 which is 4.

The fraction of those who mow lawns in the morning also mow in the afternoon are:

Step-by-step explanation:

It is given that:

1 /2

of Kyle's friends mow lawns on Saturday morning.

and

3 /10

of his friends mow in the morning and afternoon.

Now we are asked to find the fraction of those who mow lawns in the morning also mow in the afternoon i.e.

we are asked to find the ratio of those who mows lawn in morning and afternoon to those who mow in the morning.

i.e.

Hence, the fraction is: