Mon had 100 kg of water, dumped it into 10kg of pure salt, namely 100% salt, what happened? well, it ended up with 100kg + 10kg, or 110kg of saline solution, off which 10kg are just salt.

so, if we take the 110kg to be the 100%, what is 10kg in percentage off of it? namely the salty part.

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
110&100\\
10&x
\end{array}\implies \cfrac{110}{10}=\cfrac{100}{x}\implies x=\cfrac{10\cdot 100}{110}$

6 0

2 years ago

Read 2 more answers

The vertices of rectangle WXYZ are W(-4, -3), X(-4,1), and Y(2, 1). a. What are the coordinates of the fourth vertex? b. Find th

vekshin1

Answer:

a: (2, -3)

b: 20

c: 24

4 0

2 years ago

Given:DE and GH <br> Prove:DFE and GFH

erica [24]

this doesn’t make sense, put in a picture next time.

4 0

2 years ago

The probability that a student chosen at random from your class is a psychology major is .18. What is the probability that a stu

devlian [24]

Answer: 0.82

Step-by-step explanation:

We know that :

For any event A , the probability of not getting A is given by :-

P(not A)= 1- P(A)

Given : The probability that a student chosen at random from your class is a psychology major is P( psychology major) =0.18.

Then, the probability that a student chosen at random from your class is not a psychology major will be :

P(not psychology major)= 1 - P(psychology major)

= 1-0.18=0.82

Hence, the probability that a student chosen at random from your class is not a psychology major= 0.82

5 0

3 years ago