Question

If 2x = 3y and 4y = 5z, find x : z.​

Answer 1

Answer:

Given,

2x=3y

or, yx=23-.(1).

Again 

4y=5z

or, zy=45-(2).

Now multiplying (4) and (5) we get,

yx×zy=23×45

zx=815

or, x:z=15:8

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