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svp [43]
2 years ago
7

A chemist is using 344 milliliters of a solution of acid and water. If 17.2% of the solution is acid, how many milliliters of ac

id are there? Round your answer to the nearest tenth.​
Mathematics
1 answer:
Rzqust [24]2 years ago
4 0
Iworurieoow this is my answer

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3 years ago
The ratio of teachers to students on a field trip to New York City is 2 to 9. If there are 243 students on the trip,
Veseljchak [2.6K]

Answer:

54 teachers

Step-by-step explanation:

Step one:

given data

The ratio of teachers to students on a field trip to New York City is 2 to 9.

That is the ratio is 2:9

We are told that there are 243 students

Required

We want to find the number of teachers

Step two:

Applying the part to part method we have

let the number of teachers be x

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cross multiply we have

9x= 243*2

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divide both sides by 9

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4 0
3 years ago
A shelf can be packed from end to end with 30 large books or 45 small books.
DerKrebs [107]

Answer:

11

Step-by-step explanation:

since 30÷45 = 2/3 then

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the space taken by 2/3 a large book.

…………………………………………………

<u><em>Calculating the number of large book corresponding to 23 small books</em></u> :

= 23×(2÷3) + 3

= 18.333333333333 (large book)

Then ,Kevin can pack the shelf with (at most) : 30 - 19 = 11 more large books

4 0
2 years ago
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