Ascale drawing of a house addition shows a scale factor of 1 in. = 3.3 ft. josh decides to make the house addition smaller, and he changes the scale of the drawing to 1 in. = 1.1 ft. what is the change in the scale factor from the old scale to the new scale?

$4400

Step-by-step explanation:

$40 per hour

15 x 40 = 600

Because 'each' of them had 15 students, 600 x 2 = 1200  

There are 4 weeks per month to earn 1200 each week, this is again multiplication.

1200 * 4 weeks = 4800 per month  

Out of their earned 4800 they must pay for their overhead, the building rent

4800 - 400 = 4400 profit  

They are left with $4400 between them.