Answer: 1/6 or 17%
Step-by-step explanation:
So on a die the only multiples of 3 are 3 and 6 so that leaves us with a 2/6 or 1/3 chance of the die and the coin is always a 50% chance so together multiplied is 1/6 or 17 %
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.