6.5 Fish Population The number of fish in a lake decreased by 25% between last year and this year. Last year
there were 60 fish in the lake. What is the population this year? If you get stuck, consider
drawing a diagram.

if this were to be the fish increasing it would be 240 fishes but its not so the answer is 15

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours