An aquarium charges one price for adults and a different price for students. Two classes visit the aquarium. The first class has 4 adult chaperones and 20 students, and pays a total of $320 for admission. The second class has 4 adult chaperones and 23 students, and pays a total of $356 for admission. Find the price of an adult ticket.

sine

step-by-step explanation:

it is true

step-by-step explanation:

all the combinations add up i used   calculator

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,

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

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