Math, asked by tannukoyal, 3 months ago

1 xy = 5 : 7 and y: z = 21:20, find x : z.

Answers

Answered by shivamkumarsingh366b

0

Answer:

answer is 21.2 jsjejejjdjxnxnxndn

Answered by punit2279

2

Answer:

Given,

x/y = 5/7

So we get,

x=5y/7

Given

y/z=21/20

z= 20y/21

According to question

x/z = 5y/7 ÷ 20y/21

x/z = 5y/7 × 21 /20y

x/z = 3/4

x:z = 3:4 Ans

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