Question 58

How much should be added to each term of 4 : 7 so that it becomes 2 : 3?

Solution

Let $$x$$ is added to the each term of 4 : 7

According to the problem,

$$\frac{4+x}{7+x}=\frac{2}{3}$$

$$=$$> $$12+3x=14+2x$$

$$=$$> $$3x-2x=14-12$$

$$=$$> $$x=2$$

Hence, the correct answer is Option A

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