Question

$\sf\fbox\red{QUESTION}$
Fifteen years from now Ravi’s age will be four times his present age. What is Ravi’s present age?

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Answer 1

Answer:

Ravi's present age = 5

Step-by-step explanation:

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Answer 2

Let the present age be r

From the question,

$\sf \to \: \: {r + 15 = 4r}$

$\sf \to \: \: {r+ 15 - 4r= 0}$

$\sf \to \: \: { - 3r + 15 = 0}$

$\sf \to \: \: { - 3r = - 15}$

$\sf \to \: \: {r=\cancel\frac{ - 15}{ - 3}}$

$\sf \to \: \: {r = 5}$

$\sf{ \purple\therefore} \: {\pink{\underline{Present \: age \: of \: Ravi \: = 5}}}$