Question

When I add a number to another number four times as big, the result is 30. find the first number

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Answer 1

Let's assume the number is N

According to the question,

when I add a number to another number four times as big, the result is 30.

`x+4x=30\\\\5x=30\\\\x=(30)/(5)\\\\x=\frak{6}`

Answer 2

x = 6

Explanation:

Let x = first number

x+4x = 30

5x = 30

Divide by 5

5x/5 =30/5

x = 6