Answer:
k = 3.9
Step-by-step explanation:
Since the three possible outcomes are given. Therefore, the sum of all the probabilities of the three possible outcomes will be equal to one:

<u>k = 3.9</u>
Answer:
He has saved $140.
Step-by-step explanation:
Since 35% translates to 0.35, 35% of 400 is (0.35)(400) = 140
Answer: x=8/81
Step-by-step explanation
3x divide by 3
8/27 divide by 3
it becomes x=8/27 divide by 3 and 3 becomes 1/3
8/27 x 1/3=8/81
x=8/81
Mixed number : 4/5 + 8/9 = 76/45
Simplest form : 4/5 + 8/9 = 1 31/45
Step-by-step explanation:
So, I made both of the denominators the same then added the fractions together.