Question

A positive number is 5 times another number. If 21 is added to both the numbers,

then one of the new numbers becomes thrice the other new number. What are the

number​

Answer 1

Answer:

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Answer 2

21,105

Step-by-step explanation:

Let the first number be 5x.

Then the second number is x.

After adding 21 to both,

5x+21 = 3 (x+21)

5x+21 = 3x+63

5x-3x = 63-21

2x = 42

x = 21

5x = 21×5

= 105