Question

free 30 points
please answer

if x is 2 Y is equal to 7 is 9 and Y is to Z is equal to 15 is 7 find X is to Z​

Answer 1

Answer:

Given:

x:y = 7:9

y:z = 15:7

To find:

x:z

Solution:

Let x and y = 7a and 9a respectively

And, y and z = 15b and 7b respectively

Then:

y = y

=> 9a = 15b

=> a/b = 15/9 = 5/3 ..(1)

x:z = 7a:7b

=> 7/7 × 5/3

=> 5/3

=> 5:3

________________

Answer 2

The correct answer is 5:3.

Hope it helps!

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