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postnew [5]
3 years ago
9

I need help.. 

Mathematics
2 answers:
Debora [2.8K]3 years ago
8 0
This is exactly like the one with the 'n's that you posted yesterday.
I guess you didn't get enough help on that one to understand it.

<span><u>7k/8 - 3/4 - 5k/16 = 3/8</u>

3/4 is the same as 6/8.
Add it to each side of the equation:

7k/8         - 5k/16 = 9/8

Multiply each side by 16 :

14k - 5k = 18

Add up the 'k's on the left side:

9k = 18

From this point, you can proceed directly to the numerical value of 'k'
if you need it.<u />

In your question, you said you need help, and I showed you how to
strip the problem down so that the only thing left is ' k = something '.
Giving you the answer is no help.  Nobody actually needs the answer.
</span>


luda_lava [24]3 years ago
5 0
Since 16 is their least common multiple you can get rid of all of the fractions by multiplying each fraction by 16:

16(7k/8)-16(3/4)-16(5k/16)=16(3/8)
<u /> 
14k-12-5k=6
            9k=6+12
            9k=18
              k=18/9
              k=2

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Answer:

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Symbols :

  • T/L(r) = Top/Left (rectangle)
  • B/R(r) = Bottom/Right (rectangle)
  • M(c) = Middle (circle)
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