You have to combine like terms, so 3b plus 2b equals 5b and you can't add b to 5a because they aren't defined, therefore th answer is 5a+b.
Ok so there are 8 min of commercials and if each commercial is .25 minutes. what I did was 8 × 60 to get how many seconds there were. which = 480 and then I did .25 min × 60 and got 15 so I subtracted 15 from 480 and got 7.75
but it says how many commercials so you have to round to the full commercial and you get 8
so I think the answer is 8 or 7.75.
Which statement is true?
- The probability that a randomly selected silver medal was awarded to Great Britain is StartFraction 17 Over 99 EndFraction.
- The probability that a randomly selected medal won by Russia was a bronze medal is StartFraction 32 Over 103 EndFraction.
- The probability that a randomly selected gold medal was awarded to China is StartFraction 88 Over 137 EndFraction.
- The probability that a randomly selected medal won by the United States was a silver medal is StartFraction 104 Over 339 EndFraction.
Answer:
(A)The probability that a randomly selected silver medal was awarded to Great Britain is 17/99.
Step-by-step explanation:
The table is given below:

We calculate the probabilities given in the statements.
(A) The probability that a randomly selected silver medal was awarded to Great Britain
= 17/99
(B)The probability that a randomly selected medal won by Russia was a bronze medal
=32/82
(C)The probability that a randomly selected gold medal was awarded to China
=38/137
(D)The probability that a randomly selected medal won by the United States was a silver medal
=29/104
We can see that only the first statement is true.
Answer= 5/8, 6/8, and 7/8
There are many fractions between 4/8 and 1.
For the explanation, lets remember that 1, is equivalent to 8/8.
Comparing 4/8 and 8/8 makes answering the question easier. Since we know the fractions 5/8, 6/8 and 7/8 are between 4/8 and 1(8/8)
So three possible answers could be 5/8, 6/8, and 7/8.