Question

brainliest question​

Answer 1

Answer:

x:y:z=18:63:77x:y:z=18:63:77

Step-by-step explanation:

Given that if x:y=2:7 and y:z=9:11

we have to find x:y:z

As, x:y=2:7

\frac{x}{y}=\frac{2}{7}

y

x

=

7

2

y=\frac{7}{2}xy=

2

7

x

and y:z=9:11 i.e

\frac{y}{z}=\frac{9}{11}

z

y

=

11

9

z=\frac{11}{9}y=\frac{11}{9}\times\frac{7}{2}x=\frac{77}{18}xz=

9

11

y=

9

11

×

2

7

x=

18

77

x

Therefore,

x:y:z=x:\frac{7}{2}x:\frac{77}{18}xx:y:z=x:

2

7

x:

18

77

x

x:y:z=18:63:77x:y:z=18:63:77

Answer 2

18:63:77

I hope this is helpful for u