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2 years ago

75 percent of 104 is the same as 80 percent of what number?

1 answer:

8 0

104*.75=78
78/8=9.75(divide by 8 because 80%/8=10%)
9.75*10=97.5
97.5*.8=78

75% of 104 is 78 which is also 80% of 97.5

Your answer is 97.5

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In a class of 50 students, 20 are taking french and 20 are taking german. of the students taking french or german, 10 are taking

EastWind [94]

Hello. Good?

Formula for calculating two overlapping sets:
A + B - both + not (A or B) = Total

20 (french) + 20 (german) - 10(both) + Not = 50
40 - 10 + not = 50
30 + not = 50
not = 50 - 30
not = 20

Answer: 20 students do not speak french or german.

Thanks, I hope I have helped.

8 0

3 years ago

A bag contains 5 blue balls, 4 red balls, and 3 orange balls. If a ball is picked from the bag at random, what is the probabilit

Marysya12 [62]

Answer:

There is a 41.7% chance that you got a blue ball.

Step-by-step explanation:

Total number of blue balls/Total number of balls x 100 = Chance of getting a blue ball

=> 5/12 x 100
=> 5/6 x 50
=> 5/3 x 25
=> 125/3
=> 41.7

Hence, there is a 41.7% chance that you got a blue ball.

Hoped this helped.

$BrainiacUser1357$

5 0

2 years ago

Read 2 more answers

For which rational expression is –2 an excluded value of x?

Kipish [7]

Answer:

option a is the answer

Step-by-step explanation:

put the value of x in each expression as x = -2

you'll see that in option a the expression becomes

$\frac{x - 3}{ {x}^{2} - 4} = \frac{ - 2 - 3}{ {( - 2)}^{2} - 4} \\ = \frac{ - 5}{4 - 4} \\ = \frac{ - 5}{0}$

which is not defined. hence -2 is excluded value

5 0

2 years ago

6. Courtney bought a shirt for $24 with a

7nadin3 [17]

let the original price be x.

then,

x- 25% of x= 24

x- 25x/100 = 24

x- x/4=24

3x/4=24

3x= 96

x= 32

in short...the original price= 32 dollars

8 0

2 years ago

The sum of Bobbi's and Dan's heights is 130 inches. Dan's height subtracted from 3 times Bobbi's height is 118 inches. What are

Xelga [282]

Answer:

Dan = 68

bobbi = 62

Step-by-step explanation:

Let Bobbi's height = b

Let Dan's height = d

the following equations can be determined from the question

b + d = 130 eqn 1

3b - d = 118 eqn 2

Multiply eqn 1 by 3

3b + 3d = 390 eqn 3

Substract eqn 2 from 3. this gives

4d = 272

d = 68

Substitute for d in eqn 1

b + 68 = 130

b = 62

6 0

2 years ago