Question

x/y =5/7 then 7x-3y/14x+5y is​

Answer 1

Answer:

$\frac{x}{y} = \frac{5}{7} \\ x = 5 \\ y = 7$

$\frac{35 - 21}{70 + 35} = \frac{14}{105}$

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Answer 2

Answer:

2 : 15

Step-by-step explanation:

X/Y = 5/7

⇒ X : Y = 5 : 7

⇒ X = 5 & Y = 7

HAVE TO FIND

7x - 3y : 14x + 5y

PUT x = 5 & Y = 7

WE GET,

(7 × 5) - (3 × 7) : (14 × 5) + (5 × 7)

= (35 - 21) : (70 + 35)

= 14 : 105

= 2 : 15