How do you do this question?

I don't really now if i'm correct but o think it is A

So we have x number of campers.

The amount of cookies to be equally distributed is 60 cookies.

Since 8 campers didn't want the cookies,

x² - 8x

Therefore the remaining campers got 2 more cookies. The word us more thus it's addition.

Then,

x² - 8x + 240 = 0

B is the correct option.

All the best!

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b

correct answer:

b.(19,-2)