Question

22. If x.y = 2:3 and yz = 5:7 then xız=? * 10:21 21:10 3:5 2:7​

Answer 1

Answer:

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Step-by-step explanation:

y

x

​

=  

7

2

​

 

z

y

​

=  

11

9

​

 

x=  

7

2

​

yz=  

4

11

​

y

x:y:z=  

7

2

​

y:y:  

9

11

​

y

=  

7

2

​

:1:  

9

11

​

 

=  

7

2×63

​

:63:×  

9

11

​

×63

=18:63:77