Hiitsmee
Hiitsmee Hiitsmee
  • 22-04-2017
  • Mathematics
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I need help pls plsplspls

I need help pls plsplspls class=

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BackPacker99
BackPacker99 BackPacker99
  • 22-04-2017
First, find how much time is spent in classes.  We do this by subtracting 1/2 and 7/10 from 7 3/5.

We can do this by putting all of the fractions over 10.  This becomes:

[tex] 7\frac{6}{10} -( \frac{5}{10} + \frac{7}{10})=6 \frac{4}{10} =6 \frac{2}{5} [/tex]

Now, we divide 6 2/5 by 6 to see how long she is in each class individually.  This is equal to 1 1/15, so she is in each class for 1 1/15 hours, or A.
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