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Tanya [424]
2 years ago
14

a collecter has 120 movie posters and 100 band posters. She wants to sell 24 movie posters but still have her poster collection

maintain the same ratio of 120 : 100 if she sells 24 movie posters, how many band posters should she sell? A: 25 band posters B: 20 band posters C: 94 band posters D: 5 band posters
Mathematics
2 answers:
zheka24 [161]2 years ago
4 0

Answer:The answer would be C, because she wants to keep the same ratio so you would have to subtract 24 from both sides.

Step-by-step explanation:

posledela2 years ago
4 0

Answer:5

Step-by-step explanation:

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How many more hostel rooms have 4 to 7 guests than 20 to 23 guests?
Ksenya-84 [330]

Answer:

4

Step-by-step explanation:

4 0
3 years ago
Can some one help me Pls
Firlakuza [10]

Answer:

A is one of the true statements because 25 is the largest number that 50 and 75 can both divide evenly into.

D is the other true statement because 45 is the lowest number that 5 and 9 can both multiply into.

8 0
3 years ago
(3,-4) (3, 10)<br> What is the slope of the 2 set of points
sineoko [7]

Answer:

The slope is undefined

Step-by-step explanation:

The change in x is 0. So you have change in y over 0, which is undefined.

8 0
3 years ago
Read 2 more answers
Maria is installing gutters on her rectangular shed that measures 10 ft by 9 ft she has 23 ft of gutter already and need to purc
Paha777 [63]

Answer:

Maria needs 3 lengths of gutter of finish the shed.

Step-by-step explanation:

We need to calculate the perimeter of the rectangular shed to know how much  5 feet gutter is needed.

The perimeter of the shed is p = 2(l + b) where l = 10ft and b = 9 ft

p = 2(10 + 9) = 2(19) = 38 ft

Now, the perimeter of the shed also equal 23 ft of gutter already installed plus 5x ft gutter where x = number of gutters.

So 23 + 5x = 38

collecting like terms, we have

5x = 38 - 23

5x = 15

dividing through by 5 we have

5x/5 = 15/5

x = 15/5

x = 3

So, Maria needs 3 lengths of gutter of finish the shed.

8 0
3 years ago
Solve the system of equations using substitution
Andru [333]

Answer:

x = 136/11 , y = 68/11

Step-by-step explanation:

Solve the following system:

{6 x - y = 68

2 y = x

Hint: | Choose an equation and a variable to solve for.

In the second equation, look to solve for x:

{6 x - y = 68

2 y = x

Hint: | Reverse the equality in 2 y = x in order to isolate x to the left hand side.

2 y = x is equivalent to x = 2 y:

{6 x - y = 68

x = 2 y

Hint: | Perform a substitution.

Substitute x = 2 y into the first equation:

{11 y = 68

x = 2 y

Hint: | Choose an equation and a variable to solve for.

In the first equation, look to solve for y:

{11 y = 68

x = 2 y

Hint: | Solve for y.

Divide both sides by 11:

{y = 68/11

x = 2 y

Hint: | Perform a back substitution.

Substitute y = 68/11 into the second equation:

{y = 68/11

x = 136/11

Hint: | Sort results.

Collect results in alphabetical order:

Answer: {x = 136/11 , y = 68/11

7 0
3 years ago
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