Ratio and Proportion Practice Test 3

Question : 16 of 40

Marks: +1, -0

If x : y = 11 : 13, find (6x + 7y) : (8x - 5y).

Solution:

x/y=11/13

So,

{6x+7y}/{8x+5y}={6(x/y)+7}/{8(x/y)+5}

={6×11/13+7}/{8×11/13+5}=157/153

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