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AleksandrR [38]
3 years ago
10

How many liters of 15% acid and 33% acid should be mixed to make 40 liters of 21% acid solution?

Mathematics
1 answer:
kiruha [24]3 years ago
3 0

Answer:

26 and 2/3 of 15% acid

13 and 1/3 of 33% acid

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

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Answer:

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Step-by-step explanation:

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Given:
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y = 30x

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y = 90

An additional 90 pages have been read after another 3 hours.

Total pages read.

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3 0
3 years ago
Which expressions are equivalent to p+p+p+p+p+p+p? Choose ALL that apply.
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Answer:

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Step-by-step explanation:

Overall there is 7 p's

4 + 3 = 7 and 5 + 2 = 7

Unless there is more information, those are the answers.

5 0
3 years ago
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Answer:

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4 0
3 years ago
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To the nearest millimeter, a cell phone is 86 mm long and 40 mm wide. What is the ratio of the width to the length?
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Answer:

20 : 43

Step-by-step explanation:

width : length

40 mm : 86 mm

40 : 86

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2 years ago
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