Total number of marbles : 12
amount of blue marbles : 4
4/12 = 1/3 or 33%
the probability of choosing a blue marble 1/3 or 33%
Answer:
I believe the answer would be 20.
Step-by-step explanation:
28/7 = 4
5*4 = 20
Pls mark brainliest <3
P + S = 180
105 + x+65=180
x=10
Answer: 
Step-by-step explanation:
Let "x" represents the 16% of 43 minutes.
Once you analize the information given in the exercise, you can identify that 43 minutes is the 100%.
Then, with this data, you can set up the following proportion:

Now you must solve for "x". The steps are:
- Multiply both sides of the equation by "x"

- Multiply both sides by 43:

- Divide both sides by 100:

- Rounding to the tenths place:
