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astraxan [27]
3 years ago
10

Jhalen gave a presentation in health class about the importance of supportive sneakers. His presentation was 2/3 the length of L

enayah's presentation on medicine. Jhalen's presentation was 8 minutes. How long was Lenayah's presentation?
Mathematics
1 answer:
cluponka [151]3 years ago
5 0

Answer: Lenayah's presentation was 12 minutes long.

Step-by-step explanation:

  1. Set up a proportion. 2/3 = 8/x.
  2. Cross multiply. 2x = 24
  3. Divide both sides by 2. x =12
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16% of 150 is what number plz show work
bazaltina [42]
To get the solution, we are looking for, we need to point out what we know. 

<span>1. We assume, that the number 150 is 100% - because it's the output value of the task. </span>
<span>2. We assume, that x is the value we are looking for. </span>
<span>3. If 150 is 100%, so we can write it down as 150=100%. </span>
<span>4. We know, that x is 16% of the output value, so we can write it down as x=16%. </span>
5. Now we have two simple equations:
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where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
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6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 16% of 150

150/x=100/16
<span>(150/x)*x=(100/16)*x       - </span>we multiply both sides of the equation by x
<span>150=6.25*x       - </span>we divide both sides of the equation by (6.25) to get x
<span>150/6.25=x </span>
<span>24=x </span>
x=24

<span>now we have: </span>
<span>16% of 150=24</span>
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