10. There are four times as many girls as boys at Madison Middle School. Two-thirds of the boys take chorus and 40% of girls take chorus. In total, 205 students do not take chorus. How many students are there in total at Madison Middle School? ​

only 10/60 isn't equivalent

hope this : )

351°f

step-by-step explanation:

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,