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marin [14]
3 years ago
12

You need a 60% alcohol solution. On hand, you have a 480 mL of a 75% alcohol mixture. How much pure water will you need to add t

o obtain the desired solution?​
Mathematics
1 answer:
svetlana [45]3 years ago
5 0

Answer:

120 mL

Step-by-step explanation:

If the 480 mL has 75% concentration, then 360 mL are alcohol. To turn the 360 into only 60%, you need to increase the amount of water.

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3 years ago
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Delicious77 [7]

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Step-by-step explanation:

5 0
3 years ago
441 is 63% of what number
blagie [28]
<span>Question: 441 is 63% of what number?
=> 63% = 63% / 100% = 0.63
Since 441 is the 63% let’s find the value of 37% to get the toal of 100%
Solution, follow the formula
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=> x = 700 – the 100% value that have 441 as 63%
let’s check if we have the correct answer:
=> 700 * .63 = 441 </span>



6 0
3 years ago
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