10500-4500=6000
6000/250=24
So the answer is 24 months, or 2 years.
Possibilities of outcomes:
5, 5, 5
5, 5, 4
P(sum at least 14) = P(5,5,4) + P(5,5,5)
= 1/4 x 1/4 x 3/20 + 1/4 x 1/4 x 1/4
1/40
A=Adam
m= Melissa
a+m = 32
m= 3a
Then 3a + a = 32 or 4a =32 then a = 8