Ratio and Proportion Practice Test 3

Question : 2 of 40

Marks: +1, -0

What number should be subtracted from both the terms of the ratio 15 : 19 to make it 3 : 4?

Solution:

Let the number to be subtracted be x,Then,

{15-x}/{19-x}=3/4

60 - 4x = 57 - 3x
x = 3

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