Refer to the example above. If the costs of the T-shirt company change to the
given values and the selling price remains the same, determine the number of
T-shirts the company must sell in order for income to equal expenses.
1. printing machine $5000.00;
T-shirt: $10.00 each
3. printing machine: $8800.00;
T-shirt: $4.00 each
2. printing machine: $2100.00;
T-shirts $8.00 each
4. printing machine: $1200.00;
T-shirts $12.00 each

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

the first option i believe

step-by-step explanation: