Question

One number is 3 times another number. If 15 is added to both the numbers, then one of the me
numbers becomes twice that of the other new number. Find the numbers.​

Answer 1

Let the number be x

Then,the other number = 3x

If 15 is added to both the numbers,

The new number = x + 15

New number = 3x + 15

One of the new numbers becomes twice that of the other new number. [ Given ]

$\sf{3x + 15 = 2( x + 15 )}$

$\implies \sf{3x + 15 = 2x + 30}$

$\implies \sf{3x - 2x = 30 - 15}$

$\implies \sf{x = 15}$

Now,

$\star \: \sf{One \: number = x = \bold{15}}$

$\star \: \sf{Other \: number = 3x = 3 \times 15 = \bold{45 }}$

Answer 2

Answer:

45

Step-by-step explanation:

Let the one Number be X.

Then the other number = 3X

Five is added to both the numbers then the numbers becomes

(X+5) and (3X+5)

According to question,

3X +5 = 2(X+5)

3X +5 = 2x +10

3X-2X = 10-5

X = 5.

Therefore,

One Number = X = 5

And, The other number

=  3X = 3 × 5 = 15

the first no. x=15

another no.3x=15×3=45

HOPE IT WILL HELP YOU.... :-)