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# help

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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
+103122
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[ y + z ] / z    =    y/z  + z/z    =  y/z + 1  =   3/4 + 1   =  7/4

Apr 21, 2019
#2
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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