Math, asked by MiteshSingh, 3 months ago

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21. If x : y = 3: 4, find (3x + 4y): (5x + 6y).

Answers

Answered by takikira

7

Step-by-step explanation:

Put x=3y=4

(3x+4y):(5x+6y)

=(3×3+4×4):(5×3+6×4

=(9+16):(15+24)

=25:39

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