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xxMikexx [17]
3 years ago
9

15% of $9 is $ this is a question on my math worksheet please respond quick and show the steps on how to do it please and thank

you
Mathematics
2 answers:
Phoenix [80]3 years ago
8 0

Answer:

15% of $9 is $1.35 .

Step-by-step explanation:

Let us assume that the 15% of the 9 be x .

15% is written in the decimal form.

= \frac{15}{100}

= 0.15

Than the equation becomes

x = 0.15 × 9

Simplify the above

x = \frac{15\times 9}{100}

x = \frac{135}{100}

x = $1.35

Therefore the 15% of $9 is $1.35 .

Vladimir79 [104]3 years ago
5 0
9 times .15 = 1.35
15% of $9 is $1.35
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A chemist wants to mix a solution of 20% chlorine with a solution of 60% chlorine to make 120 liters of 30% solution of chlorine
Mama L [17]

Answer:

90 and 30 liters

Step-by-step explanation:

1) if solution of 20% is 'x' and of 60% is 'y' liters, then

2) the pure chlorine is: for solution of 20% - 0.2x, for solution of 60% - 0.6y and

3) the mix of the two solutions is 120=x+y.

4) using these items it is possible to make up the system of two equations:

\left \{ {{x+y=120} \atop {0.2x+0.6y=0.3(x+y)}} \right.

5) finally, x=90 liters of 20%; y=30 liters of 60% solution.

8 0
2 years ago
HELP ASAP
Ivan

Answer:

Good Luck!

Step-by-step explanation:

5 0
3 years ago
What is the value of x?
Westkost [7]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
The Gonzales family has three children. On summer break they went to an amusement park they bought 3 child tickets for 18.50 and
sergiy2304 [10]

Answer:

= 24.5

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2 years ago
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vazorg [7]

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4 0
3 years ago
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