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Zarrin [17]
2 years ago
15

In a group of 100 students, 60 are freshman, 55 are female, and 22 are female freshman. Find the probability that a student pick

ed from this group at random is either a freshman or female
Mathematics
1 answer:
tatyana61 [14]2 years ago
3 0

Answer:

93/100

Step-by-step explanation:

In a group of 100 students, 60 are freshman, 55 are female, and 22 are female freshman. Find the probability that a student picked from this group at random is either a freshman or female

Number of Freshman = 60

Number of female = 55

Number of Freshman female 22

Total number of students = 100

The probability that a student picked from this group at random is either a freshman or female

Thus P(freshman or female) = 60/100 + 55/100 - 22/100 = 93/100

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Help please...
stealth61 [152]

Answer:

1) 80%  2)25%

Step-by-step explanation:

1)80% of $2.50 = $4.50

2)25% of $9 = $2.25

  9 - 2.25 = $6.75

7 0
3 years ago
When 12 is added to a number the result is 32 less than 3 times the number.
sdas [7]


Let the number = x

12 + x = 3x - 32

x = 3x - 44 Subtract 12 from both sides

-2x = -44 Subtract 3x from both sides

x = 22 Divide by -2

4 0
3 years ago
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Which point is a solution to the linear inequality below:
gayaneshka [121]

Answer:

A (0,0)

Step-by-step explanation:

y - 3x < 1

0 - 3(0) < 1

0 < 1

7 0
2 years ago
If 12% of the total amount is ₹108. what is the total amount
AlekseyPX

Answer:

let \: the \: total \: amunt \: be \: x \\ 12\% \:   \times x = 108 \\  \frac{12}{100}  \times x = 108 \\ x = 108 \times  \frac{100}{12 }  \\ x = 900 \\  \: total \: amount = 900

Step-by-step explanation:

please mark me as brainlest

6 0
2 years ago
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Meredith is playing games at an arcade to earn tickets that she can exchange for a prize. She has 255 tickets from a previous vi
aliya0001 [1]

Answer:

20 games.

Step-by-step explanation:

Given:

Meredith is playing games at an arcade to earn tickets that she can exchange for a prize.

She has 255 tickets from a previous visit.

She earns 6 tickets for each game she plays.

Meredith needs 375 tickets to exchange for the prize she wants.

Question asked:

How many games does Meredith need to play?

Solution:

Total tickets needed to exchange for the prize = 375

Meredith already have = 255 tickets

More tickets needed = 375 - 255 = 120 tickets

<u>By unitary method:</u>

She earns 6 tickets by playing = 1 game

She earns 1 ticket by playing = \frac{1}{6} game

She earns 120 tickets by playing =  \frac{1}{6}\times120=\frac{120}{6} =20\ games

Therefore, she needs to play 20 games to earn 120 more tickets.

3 0
3 years ago
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