Answer: 300 percent
Step-by-step explanation:
Where: 15 is the old value and 60 is the new value. In this case we have a positive change (increase) of 300 percent because the new value is greater than the old value.
Answer:
-$1.33 or lose $1.33
Step-by-step explanation:
In this game, there are two possible outcomes.
- There is a 2 in 6 chance (rolling a 5 or a 6) that you win $8.
- There is a 4 in 6 chance (rolling a 1, 2, 3 or a 4) that you win nothing.
Note that for any outcome, you start off paying $4 to play.
The expected value of this game is:

You are expected to lose $1.33 per play.
A triangle adds up to 180 degrees.
67 + 52 + x = 180
x + 119 = 180
x = 61