Question

Kevin is 393939 years old and Daniel is 333 years old. How many years will it take until Kevin is only 444 times as old as Daniel?

Answer 1

Kevin's present age is 39 years

Daniel's present age is 3 years

Let's assume  x be the required number of years

So, after x years

Kevin's age = 39+x

Daniel's age = 3+x

After x years  it take until Kevin is only 4 times as old as Daniel

so,

we get

$39+x=4\times (3+x)$

now, we can solve for x

$39+x=12+4x$

Subtract both sides by 12

$39+x-12=12+4x-12$

$27+x=4x$

Subtract both sides by x

$27+x-x=4x-x$

$27=3x$

Divide both sides by 3

$9=x$

So, it will take 9 years...........Answer