1,846^-1
362^-1
<span>83,734^-1</span>
16 red cars and 12 black cars. He put half of each colour in each box. Therefore he would put 8 red and 6 black in each box. 8 red + 6 black is 14. Therefore he would have 14 cars in each box.
14.
The speed for which Brian iron the shirts is given by:

Rewriting we have:


Then, for each minute, we have the amount of ironed shirt is:

Answer:
At this rate, Brian plans 10/162 of his shirt.