Answer:
1/2.
Step-by-step explanation:
Probability totals must add up to 1.
P = probability.
If P(any number other than 6) = x, then P(6) = 3x, so
3x + 5x = 1
x = 1/8
P(6) = 3/8 and P(not 6) = 1/8
Therefore P(6 or 1) = 3/8 + 1/8 = 1/2 (answer).
Each friend pays $2250/5 = $450 per month as a shared resident.
The equation <u>6 + 9a = 51</u> can help find out how many adults were in the group.
(x-6)3
hope it helps
