Question

A positive no. Is 5 times another no .If 21 is added to both the no then one of the new no become twice the other new no What are the no ?

Answer 1

Step-by-step explanation:

Let the numbers be x,y

⟹y=5x

21 is added

The numbers are

y+21,x+21

According to question

y+21=2(x+21)

5x+21=2x+42

5x=2x+21

3x=21

x=7⟹y=35

Answer 2

Answer:

7 and 35

Step-by-step explanation:

Let the numbers be x and 5x.

After adding 21, x+21 and 5x+21

5x+21=2(x+21)   (According to question)

5x - 2x = 42 - 21

3x = 21

x = 7

5x = 35