You need to raise a total of $1000 for your trip there are 20 days before you leave if you estimate that you will be able to sell 25 candy bars per day how much did you charge for each candy bar

Step-by-step explanation:

25*20=500

500*2=1000

you need to charge $2 for each candy bar

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,