Javier works in a photo lab and needs to make a reduced copy of a photograph that is 8" long. the customer wants the copy to have length of 4.5 inches. each time he presses the reduce button on the copier, the copy is reduced by 12%. javier and his boss had an argument, because javier claimed that pressing the button 5 times would be enough to fulfill the customer's request. his boss said that pressing the button 5 times would result in a length less than 4.5 inches. who is right. what is the size of the copy?

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column

1/3 + 1/3 ≠ 2/6 because 1/3 alone = 2/6  

step by step explanation:

1/3 + 1/3 = 2/3       2/3=4/6