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ZanzabumX [31]
3 years ago
8

A collector has 90 movie posters and 75 band posters. She wants to sell 18 movie posters but still have her poster collection ma

intain the same ratio of 90:75. If she sells 18 movie posters, how many band posters should she sell?
Mathematics
2 answers:
Orlov [11]3 years ago
8 0
Well, the ratio is 90:75, which can be simplified to 18:15. If she sells 18 movie posters, she will have 72 left. Now since the ratio is 18;15, and she sells 18 movie posters, she has to sell 15 band posters to make the ratio 72:60. Since 18 goes into 72 4 times and 15 goes into 60 4 times, she has to sell 15 band posters to keep the ratio the same.
Advocard [28]3 years ago
4 0
72:57 is the answer to your question
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Nesterboy [21]

The average rate of change of the function at the interval is -8

<h3>How to determine the average rate of change?</h3>

The table that completes the question is added as an attachment


From the table, we have:

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The average rate is then calculated as:

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7 0
2 years ago
The skateboard ramp has a width of 20 and a height of 16. What is its slope ( not to scale) ?​
slega [8]

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Step-by-step explanation:

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3 years ago
What is the value of x drawing not to scale
AVprozaik [17]
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8 0
3 years ago
Read 2 more answers
What is the negation of this statement x+y 10?
andre [41]
I'm not sure what your statement is.
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7 0
3 years ago
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kherson [118]

Answer:

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8 0
3 years ago
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