Question

in 16 years Dhara will be 5 times older than she was 4 years ago in how many years will celebrate her 16th birthday​

Answer 1

Answer:

lets take her present age as x

x + 16 = 5 ( x-4 )

x+16 = 5x-20

4x = 36

x = 9

So her present age is 9

She will celebrate her 16th birthday in 7 years .

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Answer 2

Answer:

In 7 years she will celebrate her 16th birthday.

Step-by-step explanation:

Let x be the current age of Dhara,

∵ Her age after 16 years = (x + 16) years,

While her age 4 years ago = (x-4) years,

According to the question,

x + 16 = 5(x-4)

x + 16 = 5x - 20

x + 16 + 20 = 5x

x + 36 = 5x

36 = 4x

⇒ x = $\frac{36}{4}$ = 9 years,

Thus, her current age = 9 years,

∵ 16 - 9 = 7,

Hence, in 7 years she will celebrate her 16th birthday.

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