Math, asked by lucky163, 1 year ago

If (x : y) = 3 : 4, then (7x + 3y) : (7x - 3y) = ?

Answers

Answered by Hímáñshû3029

5

(x:y)=3:4
7x+3y=7×3+3×4=21+12=33
7x-3y=7×3-3×4=21-12=9
7x+3y:7x-3y=33:9=11:3

Answered by dollysharma

5

7*3=21+3*4=12=33
21-12=9
33:9
11:3

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