155 is your answer lmk if you need anything else
Right one unit and up ten units. Hope this helps!
This is how I would do it, hope this helps!
Rolling a number less than 4 means that rolling a 1, 2, or 3 will satisfy the requirement. Since 3 of 6 possible outcomes will satisfy the requirement then the likelihood that it will be rolled is 3/6 times. 3/6 reduces to 1/2 or 50% chance.
