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Suppose\(\frac{x}{y}=\frac{5}{7}\)  and \(\frac{y}{z}=\frac{3}{4}\). What is the value of \(\frac{y+z}{z}\)? Express your answer as a common fraction.

 Apr 21, 2019
 #1
avatar+106539 
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[ y + z ] / z    =    y/z  + z/z    =  y/z + 1  =   3/4 + 1   =  7/4 

 

 

cool cool cool

 Apr 21, 2019
 #2
avatar+128 
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To figure out y+z, we can get the value of y and z from the second fraction. That is 3+4 which is 7. We know z is 4 from the denominator of the second fraction. 7/4 is the answer.

 

~~Hypotenuisance

 Apr 21, 2019

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