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Delicious77 [7]
3 years ago
6

How many quarts of water must be added to 9 qt of an 80% antifreeze solution to make a 45% antifreeze solution?

Mathematics
1 answer:
fredd [130]3 years ago
5 0

Answer:

Step-by-step explanation:

That answer would be 56%

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A bag contains 135 marbles some white and some transparent. The ratio of white marbles to transparent ones is 3 : 6. How many wh
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Answer:

Number of white marbles in the bag = 45

Step-by-step explanation:

Total number of marbles in the bag = 135

Ratio of white marble to transparent ones = 3 : 6

Let number of white marbles be =3k

Then number of transparent marble will be =6k

Total number of marbles will be =3k+6k=9k

So we have.

9k=135

Dividing both sides by 9.

\frac{9k}{9}=\frac{135}{9}

∴ k=15

∴ Number of white marbles in the bag = 3k=3\times15 = 45

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