Question

braininlist 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}

yx = 72

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

27 x and y:z=9:11 i.e

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

zz = 119

z=\frac{11}{9}y=\frac{11}{9}\times\frac{7}{2}x=\frac{77}{18}xz=911

y= 911 × 27

x= 1877 x

Therefore,

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

27 x: 18:77 x

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

Answer 2

Answer:

18:63:77

I hope this is help for you