Probability for male = 75/400 = 3/16
Probability for groups = 175/400 = 7/16
Probability for female = 150/400 = 3/8
There is a 3/8 probability of the song being sung by a female vocalist.
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Answer:
21/20
Step-by-step explanation:
a) One hour is equivalent to 60 minutes.
So we can multiply 50 minutes by the fraction
, so we could convert 50 minutes to hours.
It is:

If we simplify the fraction, we have:

b) In order to express the turtle's speed in miles per hour, we have to divide
by 
So:

We simplify the expression by multiplying 7 mile by 6 and 8 by 5 hours:

Answer:
The answer is the first one and the last one.
Step-by-step explanation:
If an account cost $1 and each song is 1.5x. It has to be less than or equal to 25. So it would be $1 for (the account plus) 1.5x for (how many songs he buys) is less than or equal to 25 (the ammount on the gift card).
Answer: They are both equal
Step-by-step explanation: 10 x 14 = 20 x 7