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ICSE Class 10 Answered

If x:y=16:21&y:z=18:9 find x:y:z
Asked by vishnukancharla0905 | 27 Apr, 2020, 10:52: AM
answered-by-expert Expert Answer
Given: x:y=16:21 ... (i)  and y:z=18:9 ... (ii)
From (ii),
y:z=18:9=2:1
y/z=2/1
z=y/2 ... (iii)
From (i)
x/y=16/21
x=16y/21
Therefore,
x:y:z=16y/21:y:y/2=16/21:1:1/2=32:42:21
Answered by Renu Varma | 27 Apr, 2020, 02:19: PM

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